Home / 499,367,712.80-749,051,569.20-135,862,068.80

Finding the Fourth Proportional to 499,367,712.80, 749,051,569.20 and 135,862,068.80

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Solution

The fourth proportional to 499,367,712.80, 749,051,569.20 and 135,862,068.80 is: 203,793,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,367,712.80 : 749,051,569.20 = 135,862,068.80 : x
  2. Step 2: Convert to fraction form
    499,367,712.80/749,051,569.20 = 135,862,068.80/x
  3. Step 3: Cross multiply
    499,367,712.80x = 749,051,569.20 × 135,862,068.80
  4. Step 4: Simplify right side
    499,367,712.80x = 101,767,695,829,398,384
  5. Step 5: Solve for x
    x = 101,767,695,829,398,384/499,367,712.80
  6. Step 6: Final answer
    x = 203,793,103.20

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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.