Home / 77,700,318.64-107,225,894.24-42,418,123.74

Finding the Fourth Proportional to 77,700,318.64, 107,225,894.24 and 42,418,123.74

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Solution

The fourth proportional to 77,700,318.64, 107,225,894.24 and 42,418,123.74 is: 58,536,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,700,318.64 : 107,225,894.24 = 42,418,123.74 : x
  2. Step 2: Convert to fraction form
    77,700,318.64/107,225,894.24 = 42,418,123.74/x
  3. Step 3: Cross multiply
    77,700,318.64x = 107,225,894.24 × 42,418,123.74
  4. Step 4: Simplify right side
    77,700,318.64x = 4,548,321,250,004,473
  5. Step 5: Solve for x
    x = 4,548,321,250,004,473/77,700,318.64
  6. Step 6: Final answer
    x = 58,536,712.97

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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.