Home / 235,267,499.03-324,667,353.32-129,418,635.12

Finding the Fourth Proportional to 235,267,499.03, 324,667,353.32 and 129,418,635.12

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Solution

The fourth proportional to 235,267,499.03, 324,667,353.32 and 129,418,635.12 is: 178,596,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,267,499.03 : 324,667,353.32 = 129,418,635.12 : x
  2. Step 2: Convert to fraction form
    235,267,499.03/324,667,353.32 = 129,418,635.12/x
  3. Step 3: Cross multiply
    235,267,499.03x = 324,667,353.32 × 129,418,635.12
  4. Step 4: Simplify right side
    235,267,499.03x = 42,018,005,734,050,112
  5. Step 5: Solve for x
    x = 42,018,005,734,050,112/235,267,499.03
  6. Step 6: Final answer
    x = 178,596,728.86

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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.