Home / 88,581,694.20-132,872,541.30-72,425,887.80

Finding the Fourth Proportional to 88,581,694.20, 132,872,541.30 and 72,425,887.80

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Solution

The fourth proportional to 88,581,694.20, 132,872,541.30 and 72,425,887.80 is: 108,638,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,694.20 : 132,872,541.30 = 72,425,887.80 : x
  2. Step 2: Convert to fraction form
    88,581,694.20/132,872,541.30 = 72,425,887.80/x
  3. Step 3: Cross multiply
    88,581,694.20x = 132,872,541.30 × 72,425,887.80
  4. Step 4: Simplify right side
    88,581,694.20x = 9,623,411,767,894,666
  5. Step 5: Solve for x
    x = 9,623,411,767,894,666/88,581,694.20
  6. Step 6: Final answer
    x = 108,638,831.70

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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.