Home / 286,092,035.20-429,138,052.80-147,917,375.20

Finding the Fourth Proportional to 286,092,035.20, 429,138,052.80 and 147,917,375.20

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Solution

The fourth proportional to 286,092,035.20, 429,138,052.80 and 147,917,375.20 is: 221,876,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,092,035.20 : 429,138,052.80 = 147,917,375.20 : x
  2. Step 2: Convert to fraction form
    286,092,035.20/429,138,052.80 = 147,917,375.20/x
  3. Step 3: Cross multiply
    286,092,035.20x = 429,138,052.80 × 147,917,375.20
  4. Step 4: Simplify right side
    286,092,035.20x = 63,476,974,368,615,008
  5. Step 5: Solve for x
    x = 63,476,974,368,615,008/286,092,035.20
  6. Step 6: Final answer
    x = 221,876,062.80

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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.