Home / 147,386,315,902.80-221,079,473,854.20-122,897,514,622.80

Finding the Fourth Proportional to 147,386,315,902.80, 221,079,473,854.20 and 122,897,514,622.80

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Solution

The fourth proportional to 147,386,315,902.80, 221,079,473,854.20 and 122,897,514,622.80 is: 184,346,271,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386,315,902.80 : 221,079,473,854.20 = 122,897,514,622.80 : x
  2. Step 2: Convert to fraction form
    147,386,315,902.80/221,079,473,854.20 = 122,897,514,622.80/x
  3. Step 3: Cross multiply
    147,386,315,902.80x = 221,079,473,854.20 × 122,897,514,622.80
  4. Step 4: Simplify right side
    147,386,315,902.80x = 27,170,117,870,797,476,331,520
  5. Step 5: Solve for x
    x = 27,170,117,870,797,476,331,520/147,386,315,902.80
  6. Step 6: Final answer
    x = 184,346,271,934.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.