Home / 100,602,308.30-150,903,462.45-86,253,401.30

Finding the Fourth Proportional to 100,602,308.30, 150,903,462.45 and 86,253,401.30

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Solution

The fourth proportional to 100,602,308.30, 150,903,462.45 and 86,253,401.30 is: 129,380,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,308.30 : 150,903,462.45 = 86,253,401.30 : x
  2. Step 2: Convert to fraction form
    100,602,308.30/150,903,462.45 = 86,253,401.30/x
  3. Step 3: Cross multiply
    100,602,308.30x = 150,903,462.45 × 86,253,401.30
  4. Step 4: Simplify right side
    100,602,308.30x = 13,015,936,904,259,330
  5. Step 5: Solve for x
    x = 13,015,936,904,259,330/100,602,308.30
  6. Step 6: Final answer
    x = 129,380,101.95

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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.