Home / 57,981,007.40-86,971,511.10-38,870,709.80

Finding the Fourth Proportional to 57,981,007.40, 86,971,511.10 and 38,870,709.80

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Solution

The fourth proportional to 57,981,007.40, 86,971,511.10 and 38,870,709.80 is: 58,306,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981,007.40 : 86,971,511.10 = 38,870,709.80 : x
  2. Step 2: Convert to fraction form
    57,981,007.40/86,971,511.10 = 38,870,709.80/x
  3. Step 3: Cross multiply
    57,981,007.40x = 86,971,511.10 × 38,870,709.80
  4. Step 4: Simplify right side
    57,981,007.40x = 3,380,644,368,835,578.50
  5. Step 5: Solve for x
    x = 3,380,644,368,835,578.50/57,981,007.40
  6. Step 6: Final answer
    x = 58,306,064.70

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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.