Home / 51,784,869.60-77,695,966.80-21,514,456.80

Finding the Fourth Proportional to 51,784,869.60, 77,695,966.80 and 21,514,456.80

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Solution

The fourth proportional to 51,784,869.60, 77,695,966.80 and 21,514,456.80 is: 32,279,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,784,869.60 : 77,695,966.80 = 21,514,456.80 : x
  2. Step 2: Convert to fraction form
    51,784,869.60/77,695,966.80 = 21,514,456.80/x
  3. Step 3: Cross multiply
    51,784,869.60x = 77,695,966.80 × 21,514,456.80
  4. Step 4: Simplify right side
    51,784,869.60x = 1,671,586,521,252,834.25
  5. Step 5: Solve for x
    x = 1,671,586,521,252,834.25/51,784,869.60
  6. Step 6: Final answer
    x = 32,279,438.65

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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.