Home / 64,514,882.60-96,770,250.30-21,386,076.20

Finding the Fourth Proportional to 64,514,882.60, 96,770,250.30 and 21,386,076.20

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Solution

The fourth proportional to 64,514,882.60, 96,770,250.30 and 21,386,076.20 is: 32,078,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514,882.60 : 96,770,250.30 = 21,386,076.20 : x
  2. Step 2: Convert to fraction form
    64,514,882.60/96,770,250.30 = 21,386,076.20/x
  3. Step 3: Cross multiply
    64,514,882.60x = 96,770,250.30 × 21,386,076.20
  4. Step 4: Simplify right side
    64,514,882.60x = 2,069,535,946,808,872.75
  5. Step 5: Solve for x
    x = 2,069,535,946,808,872.75/64,514,882.60
  6. Step 6: Final answer
    x = 32,078,426.92

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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.