Home / 99,856,110.20-149,784,165.30-82,836,001.40

Finding the Fourth Proportional to 99,856,110.20, 149,784,165.30 and 82,836,001.40

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Solution

The fourth proportional to 99,856,110.20, 149,784,165.30 and 82,836,001.40 is: 124,254,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,856,110.20 : 149,784,165.30 = 82,836,001.40 : x
  2. Step 2: Convert to fraction form
    99,856,110.20/149,784,165.30 = 82,836,001.40/x
  3. Step 3: Cross multiply
    99,856,110.20x = 149,784,165.30 × 82,836,001.40
  4. Step 4: Simplify right side
    99,856,110.20x = 12,407,521,326,488,634
  5. Step 5: Solve for x
    x = 12,407,521,326,488,634/99,856,110.20
  6. Step 6: Final answer
    x = 124,254,002.10

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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.