Home / 83,108,836.20-124,663,254.30-52,497,834.60

Finding the Fourth Proportional to 83,108,836.20, 124,663,254.30 and 52,497,834.60

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Solution

The fourth proportional to 83,108,836.20, 124,663,254.30 and 52,497,834.60 is: 78,746,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108,836.20 : 124,663,254.30 = 52,497,834.60 : x
  2. Step 2: Convert to fraction form
    83,108,836.20/124,663,254.30 = 52,497,834.60/x
  3. Step 3: Cross multiply
    83,108,836.20x = 124,663,254.30 × 52,497,834.60
  4. Step 4: Simplify right side
    83,108,836.20x = 6,544,550,904,939,139
  5. Step 5: Solve for x
    x = 6,544,550,904,939,139/83,108,836.20
  6. Step 6: Final answer
    x = 78,746,751.90

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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.