Home / 99,322,562.20-148,990,140.78-31,167,943.96

Finding the Fourth Proportional to 99,322,562.20, 148,990,140.78 and 31,167,943.96

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Solution

The fourth proportional to 99,322,562.20, 148,990,140.78 and 31,167,943.96 is: 46,753,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,322,562.20 : 148,990,140.78 = 31,167,943.96 : x
  2. Step 2: Convert to fraction form
    99,322,562.20/148,990,140.78 = 31,167,943.96/x
  3. Step 3: Cross multiply
    99,322,562.20x = 148,990,140.78 × 31,167,943.96
  4. Step 4: Simplify right side
    99,322,562.20x = 4,643,716,358,423,551
  5. Step 5: Solve for x
    x = 4,643,716,358,423,551/99,322,562.20
  6. Step 6: Final answer
    x = 46,753,892.12

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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.