Home / 99,753,059.10-149,546,644.65-42,289,455.90

Finding the Fourth Proportional to 99,753,059.10, 149,546,644.65 and 42,289,455.90

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Solution

The fourth proportional to 99,753,059.10, 149,546,644.65 and 42,289,455.90 is: 63,399,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,753,059.10 : 149,546,644.65 = 42,289,455.90 : x
  2. Step 2: Convert to fraction form
    99,753,059.10/149,546,644.65 = 42,289,455.90/x
  3. Step 3: Cross multiply
    99,753,059.10x = 149,546,644.65 × 42,289,455.90
  4. Step 4: Simplify right side
    99,753,059.10x = 6,324,246,233,919,146
  5. Step 5: Solve for x
    x = 6,324,246,233,919,146/99,753,059.10
  6. Step 6: Final answer
    x = 63,399,020.45

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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.