Home / 99,645,108.88-149,526,691.80-42,134,227.60

Finding the Fourth Proportional to 99,645,108.88, 149,526,691.80 and 42,134,227.60

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Solution

The fourth proportional to 99,645,108.88, 149,526,691.80 and 42,134,227.60 is: 63,226,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,108.88 : 149,526,691.80 = 42,134,227.60 : x
  2. Step 2: Convert to fraction form
    99,645,108.88/149,526,691.80 = 42,134,227.60/x
  3. Step 3: Cross multiply
    99,645,108.88x = 149,526,691.80 × 42,134,227.60
  4. Step 4: Simplify right side
    99,645,108.88x = 6,300,191,664,576,254
  5. Step 5: Solve for x
    x = 6,300,191,664,576,254/99,645,108.88
  6. Step 6: Final answer
    x = 63,226,301.17

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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.