Home / 99,665,008.20-149,497,512.30-65,227,631.40

Finding the Fourth Proportional to 99,665,008.20, 149,497,512.30 and 65,227,631.40

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Solution

The fourth proportional to 99,665,008.20, 149,497,512.30 and 65,227,631.40 is: 97,841,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,665,008.20 : 149,497,512.30 = 65,227,631.40 : x
  2. Step 2: Convert to fraction form
    99,665,008.20/149,497,512.30 = 65,227,631.40/x
  3. Step 3: Cross multiply
    99,665,008.20x = 149,497,512.30 × 65,227,631.40
  4. Step 4: Simplify right side
    99,665,008.20x = 9,751,368,627,521,366
  5. Step 5: Solve for x
    x = 9,751,368,627,521,366/99,665,008.20
  6. Step 6: Final answer
    x = 97,841,447.10

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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.