Home / 97,787,354.88-134,811,707.50-78,008,252.28

Finding the Fourth Proportional to 97,787,354.88, 134,811,707.50 and 78,008,252.28

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Solution

The fourth proportional to 97,787,354.88, 134,811,707.50 and 78,008,252.28 is: 107,543,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,787,354.88 : 134,811,707.50 = 78,008,252.28 : x
  2. Step 2: Convert to fraction form
    97,787,354.88/134,811,707.50 = 78,008,252.28/x
  3. Step 3: Cross multiply
    97,787,354.88x = 134,811,707.50 × 78,008,252.28
  4. Step 4: Simplify right side
    97,787,354.88x = 10,516,425,688,957,568
  5. Step 5: Solve for x
    x = 10,516,425,688,957,568/97,787,354.88
  6. Step 6: Final answer
    x = 107,543,819.97

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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.