Home / 86,098,259.76-129,079,188.08-42,945,250.56

Finding the Fourth Proportional to 86,098,259.76, 129,079,188.08 and 42,945,250.56

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Solution

The fourth proportional to 86,098,259.76, 129,079,188.08 and 42,945,250.56 is: 64,383,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098,259.76 : 129,079,188.08 = 42,945,250.56 : x
  2. Step 2: Convert to fraction form
    86,098,259.76/129,079,188.08 = 42,945,250.56/x
  3. Step 3: Cross multiply
    86,098,259.76x = 129,079,188.08 × 42,945,250.56
  4. Step 4: Simplify right side
    86,098,259.76x = 5,543,338,074,176,966
  5. Step 5: Solve for x
    x = 5,543,338,074,176,966/86,098,259.76
  6. Step 6: Final answer
    x = 64,383,857.35

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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.