Home / 73,878,967.20-110,721,812.40-39,726,775.20

Finding the Fourth Proportional to 73,878,967.20, 110,721,812.40 and 39,726,775.20

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Solution

The fourth proportional to 73,878,967.20, 110,721,812.40 and 39,726,775.20 is: 59,538,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,878,967.20 : 110,721,812.40 = 39,726,775.20 : x
  2. Step 2: Convert to fraction form
    73,878,967.20/110,721,812.40 = 39,726,775.20/x
  3. Step 3: Cross multiply
    73,878,967.20x = 110,721,812.40 × 39,726,775.20
  4. Step 4: Simplify right side
    73,878,967.20x = 4,398,620,550,951,373
  5. Step 5: Solve for x
    x = 4,398,620,550,951,373/73,878,967.20
  6. Step 6: Final answer
    x = 59,538,197.64

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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.