Home / 78,903,841.28-108,890,663.76-44,096,530.70

Finding the Fourth Proportional to 78,903,841.28, 108,890,663.76 and 44,096,530.70

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Solution

The fourth proportional to 78,903,841.28, 108,890,663.76 and 44,096,530.70 is: 60,855,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,841.28 : 108,890,663.76 = 44,096,530.70 : x
  2. Step 2: Convert to fraction form
    78,903,841.28/108,890,663.76 = 44,096,530.70/x
  3. Step 3: Cross multiply
    78,903,841.28x = 108,890,663.76 × 44,096,530.70
  4. Step 4: Simplify right side
    78,903,841.28x = 4,801,700,496,891,764
  5. Step 5: Solve for x
    x = 4,801,700,496,891,764/78,903,841.28
  6. Step 6: Final answer
    x = 60,855,091.70

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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.