Home / 53,725,793.10-80,588,689.65-45,411,693.90

Finding the Fourth Proportional to 53,725,793.10, 80,588,689.65 and 45,411,693.90

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Solution

The fourth proportional to 53,725,793.10, 80,588,689.65 and 45,411,693.90 is: 68,117,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725,793.10 : 80,588,689.65 = 45,411,693.90 : x
  2. Step 2: Convert to fraction form
    53,725,793.10/80,588,689.65 = 45,411,693.90/x
  3. Step 3: Cross multiply
    53,725,793.10x = 80,588,689.65 × 45,411,693.90
  4. Step 4: Simplify right side
    53,725,793.10x = 3,659,668,906,187,898.50
  5. Step 5: Solve for x
    x = 3,659,668,906,187,898.50/53,725,793.10
  6. Step 6: Final answer
    x = 68,117,540.85

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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.