Home / 65,145,008.08-89,935,013.28-50,227,750.80

Finding the Fourth Proportional to 65,145,008.08, 89,935,013.28 and 50,227,750.80

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Solution

The fourth proportional to 65,145,008.08, 89,935,013.28 and 50,227,750.80 is: 69,341,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,145,008.08 : 89,935,013.28 = 50,227,750.80 : x
  2. Step 2: Convert to fraction form
    65,145,008.08/89,935,013.28 = 50,227,750.80/x
  3. Step 3: Cross multiply
    65,145,008.08x = 89,935,013.28 × 50,227,750.80
  4. Step 4: Simplify right side
    65,145,008.08x = 4,517,233,435,222,530
  5. Step 5: Solve for x
    x = 4,517,233,435,222,530/65,145,008.08
  6. Step 6: Final answer
    x = 69,341,206.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.