Home / 154,575,998.80-231,863,998.20-147,017,726.80

Finding the Fourth Proportional to 154,575,998.80, 231,863,998.20 and 147,017,726.80

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Solution

The fourth proportional to 154,575,998.80, 231,863,998.20 and 147,017,726.80 is: 220,526,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,575,998.80 : 231,863,998.20 = 147,017,726.80 : x
  2. Step 2: Convert to fraction form
    154,575,998.80/231,863,998.20 = 147,017,726.80/x
  3. Step 3: Cross multiply
    154,575,998.80x = 231,863,998.20 × 147,017,726.80
  4. Step 4: Simplify right side
    154,575,998.80x = 34,088,117,942,123,292
  5. Step 5: Solve for x
    x = 34,088,117,942,123,292/154,575,998.80
  6. Step 6: Final answer
    x = 220,526,590.20

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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.