Home / 99,322,357.20-148,989,833.28-31,167,738.96

Finding the Fourth Proportional to 99,322,357.20, 148,989,833.28 and 31,167,738.96

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Solution

The fourth proportional to 99,322,357.20, 148,989,833.28 and 31,167,738.96 is: 46,753,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,322,357.20 : 148,989,833.28 = 31,167,738.96 : x
  2. Step 2: Convert to fraction form
    99,322,357.20/148,989,833.28 = 31,167,738.96/x
  3. Step 3: Cross multiply
    99,322,357.20x = 148,989,833.28 × 31,167,738.96
  4. Step 4: Simplify right side
    99,322,357.20x = 4,643,676,231,364,961
  5. Step 5: Solve for x
    x = 4,643,676,231,364,961/99,322,357.20
  6. Step 6: Final answer
    x = 46,753,584.61

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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.