Home / 78,832,065.12-108,772,468.56-44,019,399.20

Finding the Fourth Proportional to 78,832,065.12, 108,772,468.56 and 44,019,399.20

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Solution

The fourth proportional to 78,832,065.12, 108,772,468.56 and 44,019,399.20 is: 60,737,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832,065.12 : 108,772,468.56 = 44,019,399.20 : x
  2. Step 2: Convert to fraction form
    78,832,065.12/108,772,468.56 = 44,019,399.20/x
  3. Step 3: Cross multiply
    78,832,065.12x = 108,772,468.56 × 44,019,399.20
  4. Step 4: Simplify right side
    78,832,065.12x = 4,788,098,715,512,090
  5. Step 5: Solve for x
    x = 4,788,098,715,512,090/78,832,065.12
  6. Step 6: Final answer
    x = 60,737,958.70

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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.