Home / 67,156,550.23-100,573,395.88-38,315,247.16

Finding the Fourth Proportional to 67,156,550.23, 100,573,395.88 and 38,315,247.16

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Solution

The fourth proportional to 67,156,550.23, 100,573,395.88 and 38,315,247.16 is: 57,380,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,550.23 : 100,573,395.88 = 38,315,247.16 : x
  2. Step 2: Convert to fraction form
    67,156,550.23/100,573,395.88 = 38,315,247.16/x
  3. Step 3: Cross multiply
    67,156,550.23x = 100,573,395.88 × 38,315,247.16
  4. Step 4: Simplify right side
    67,156,550.23x = 3,853,494,520,862,725
  5. Step 5: Solve for x
    x = 3,853,494,520,862,725/67,156,550.23
  6. Step 6: Final answer
    x = 57,380,769.38

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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.