Home / 133,265,082.35-199,983,939.64-71,896,600.73

Finding the Fourth Proportional to 133,265,082.35, 199,983,939.64 and 71,896,600.73

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Solution

The fourth proportional to 133,265,082.35, 199,983,939.64 and 71,896,600.73 is: 107,891,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265,082.35 : 199,983,939.64 = 71,896,600.73 : x
  2. Step 2: Convert to fraction form
    133,265,082.35/199,983,939.64 = 71,896,600.73/x
  3. Step 3: Cross multiply
    133,265,082.35x = 199,983,939.64 × 71,896,600.73
  4. Step 4: Simplify right side
    133,265,082.35x = 14,378,165,461,029,718
  5. Step 5: Solve for x
    x = 14,378,165,461,029,718/133,265,082.35
  6. Step 6: Final answer
    x = 107,891,468.70

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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.