Home / 80,496,034.90-120,744,052.35-74,827,330.90

Finding the Fourth Proportional to 80,496,034.90, 120,744,052.35 and 74,827,330.90

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Solution

The fourth proportional to 80,496,034.90, 120,744,052.35 and 74,827,330.90 is: 112,240,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496,034.90 : 120,744,052.35 = 74,827,330.90 : x
  2. Step 2: Convert to fraction form
    80,496,034.90/120,744,052.35 = 74,827,330.90/x
  3. Step 3: Cross multiply
    80,496,034.90x = 120,744,052.35 × 74,827,330.90
  4. Step 4: Simplify right side
    80,496,034.90x = 9,034,955,159,400,372
  5. Step 5: Solve for x
    x = 9,034,955,159,400,372/80,496,034.90
  6. Step 6: Final answer
    x = 112,240,996.35

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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.