Home / 78,687,295.29-108,588,572.11-43,404,304.50

Finding the Fourth Proportional to 78,687,295.29, 108,588,572.11 and 43,404,304.50

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Solution

The fourth proportional to 78,687,295.29, 108,588,572.11 and 43,404,304.50 is: 59,897,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,687,295.29 : 108,588,572.11 = 43,404,304.50 : x
  2. Step 2: Convert to fraction form
    78,687,295.29/108,588,572.11 = 43,404,304.50/x
  3. Step 3: Cross multiply
    78,687,295.29x = 108,588,572.11 × 43,404,304.50
  4. Step 4: Simplify right side
    78,687,295.29x = 4,713,211,448,740,295
  5. Step 5: Solve for x
    x = 4,713,211,448,740,295/78,687,295.29
  6. Step 6: Final answer
    x = 59,897,997.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.