Home / 72,183,863.40-108,275,795.10-64,247,677.80

Finding the Fourth Proportional to 72,183,863.40, 108,275,795.10 and 64,247,677.80

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Solution

The fourth proportional to 72,183,863.40, 108,275,795.10 and 64,247,677.80 is: 96,371,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,863.40 : 108,275,795.10 = 64,247,677.80 : x
  2. Step 2: Convert to fraction form
    72,183,863.40/108,275,795.10 = 64,247,677.80/x
  3. Step 3: Cross multiply
    72,183,863.40x = 108,275,795.10 × 64,247,677.80
  4. Step 4: Simplify right side
    72,183,863.40x = 6,956,468,397,123,618
  5. Step 5: Solve for x
    x = 6,956,468,397,123,618/72,183,863.40
  6. Step 6: Final answer
    x = 96,371,516.70

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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.