Home / 130,344,549.30-195,642,795.15-65,721,323.70

Finding the Fourth Proportional to 130,344,549.30, 195,642,795.15 and 65,721,323.70

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Solution

The fourth proportional to 130,344,549.30, 195,642,795.15 and 65,721,323.70 is: 98,645,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344,549.30 : 195,642,795.15 = 65,721,323.70 : x
  2. Step 2: Convert to fraction form
    130,344,549.30/195,642,795.15 = 65,721,323.70/x
  3. Step 3: Cross multiply
    130,344,549.30x = 195,642,795.15 × 65,721,323.70
  4. Step 4: Simplify right side
    130,344,549.30x = 12,857,903,469,625,942
  5. Step 5: Solve for x
    x = 12,857,903,469,625,942/130,344,549.30
  6. Step 6: Final answer
    x = 98,645,501.78

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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.