Home / 71,861,402.32-107,792,570.04-28,734,228.88

Finding the Fourth Proportional to 71,861,402.32, 107,792,570.04 and 28,734,228.88

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Solution

The fourth proportional to 71,861,402.32, 107,792,570.04 and 28,734,228.88 is: 43,101,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,861,402.32 : 107,792,570.04 = 28,734,228.88 : x
  2. Step 2: Convert to fraction form
    71,861,402.32/107,792,570.04 = 28,734,228.88/x
  3. Step 3: Cross multiply
    71,861,402.32x = 107,792,570.04 × 28,734,228.88
  4. Step 4: Simplify right side
    71,861,402.32x = 3,097,336,379,092,791
  5. Step 5: Solve for x
    x = 3,097,336,379,092,791/71,861,402.32
  6. Step 6: Final answer
    x = 43,101,529.88

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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.