Home / 77,700,316.64-107,225,891.48-42,418,121.73

Finding the Fourth Proportional to 77,700,316.64, 107,225,891.48 and 42,418,121.73

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Solution

The fourth proportional to 77,700,316.64, 107,225,891.48 and 42,418,121.73 is: 58,536,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,700,316.64 : 107,225,891.48 = 42,418,121.73 : x
  2. Step 2: Convert to fraction form
    77,700,316.64/107,225,891.48 = 42,418,121.73/x
  3. Step 3: Cross multiply
    77,700,316.64x = 107,225,891.48 × 42,418,121.73
  4. Step 4: Simplify right side
    77,700,316.64x = 4,548,320,917,792,592
  5. Step 5: Solve for x
    x = 4,548,320,917,792,592/77,700,316.64
  6. Step 6: Final answer
    x = 58,536,710.21

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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.