Home / 91,756,841.20-137,794,694.10-48,710,120.20

Finding the Fourth Proportional to 91,756,841.20, 137,794,694.10 and 48,710,120.20

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Solution

The fourth proportional to 91,756,841.20, 137,794,694.10 and 48,710,120.20 is: 73,149,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756,841.20 : 137,794,694.10 = 48,710,120.20 : x
  2. Step 2: Convert to fraction form
    91,756,841.20/137,794,694.10 = 48,710,120.20/x
  3. Step 3: Cross multiply
    91,756,841.20x = 137,794,694.10 × 48,710,120.20
  4. Step 4: Simplify right side
    91,756,841.20x = 6,711,996,112,533,231
  5. Step 5: Solve for x
    x = 6,711,996,112,533,231/91,756,841.20
  6. Step 6: Final answer
    x = 73,149,816.68

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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.