Home / 56,545,672.20-84,818,508.30-20,195,107.80

Finding the Fourth Proportional to 56,545,672.20, 84,818,508.30 and 20,195,107.80

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Solution

The fourth proportional to 56,545,672.20, 84,818,508.30 and 20,195,107.80 is: 30,292,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545,672.20 : 84,818,508.30 = 20,195,107.80 : x
  2. Step 2: Convert to fraction form
    56,545,672.20/84,818,508.30 = 20,195,107.80/x
  3. Step 3: Cross multiply
    56,545,672.20x = 84,818,508.30 × 20,195,107.80
  4. Step 4: Simplify right side
    56,545,672.20x = 1,712,918,918,553,694.75
  5. Step 5: Solve for x
    x = 1,712,918,918,553,694.75/56,545,672.20
  6. Step 6: Final answer
    x = 30,292,661.70

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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.