Home / 42,373,103.20-63,560,245.31-12,080,966.20

Finding the Fourth Proportional to 42,373,103.20, 63,560,245.31 and 12,080,966.20

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Solution

The fourth proportional to 42,373,103.20, 63,560,245.31 and 12,080,966.20 is: 18,121,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373,103.20 : 63,560,245.31 = 12,080,966.20 : x
  2. Step 2: Convert to fraction form
    42,373,103.20/63,560,245.31 = 12,080,966.20/x
  3. Step 3: Cross multiply
    42,373,103.20x = 63,560,245.31 × 12,080,966.20
  4. Step 4: Simplify right side
    42,373,103.20x = 767,869,174,875,612.50
  5. Step 5: Solve for x
    x = 767,869,174,875,612.50/42,373,103.20
  6. Step 6: Final answer
    x = 18,121,617.65

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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.