Home / 71,669,064.45-98,676,785.96-65,123,150.65

Finding the Fourth Proportional to 71,669,064.45, 98,676,785.96 and 65,123,150.65

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Solution

The fourth proportional to 71,669,064.45, 98,676,785.96 and 65,123,150.65 is: 89,664,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,669,064.45 : 98,676,785.96 = 65,123,150.65 : x
  2. Step 2: Convert to fraction form
    71,669,064.45/98,676,785.96 = 65,123,150.65/x
  3. Step 3: Cross multiply
    71,669,064.45x = 98,676,785.96 × 65,123,150.65
  4. Step 4: Simplify right side
    71,669,064.45x = 6,426,143,197,730,884
  5. Step 5: Solve for x
    x = 6,426,143,197,730,884/71,669,064.45
  6. Step 6: Final answer
    x = 89,664,114.46

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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.