Home / 49,897,139.20-74,845,708.80-28,323,404.80

Finding the Fourth Proportional to 49,897,139.20, 74,845,708.80 and 28,323,404.80

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Solution

The fourth proportional to 49,897,139.20, 74,845,708.80 and 28,323,404.80 is: 42,485,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,139.20 : 74,845,708.80 = 28,323,404.80 : x
  2. Step 2: Convert to fraction form
    49,897,139.20/74,845,708.80 = 28,323,404.80/x
  3. Step 3: Cross multiply
    49,897,139.20x = 74,845,708.80 × 28,323,404.80
  4. Step 4: Simplify right side
    49,897,139.20x = 2,119,885,307,885,322.25
  5. Step 5: Solve for x
    x = 2,119,885,307,885,322.25/49,897,139.20
  6. Step 6: Final answer
    x = 42,485,107.20

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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.