Home / 81,393,698.91-112,323,278.79-44,726,631.87

Finding the Fourth Proportional to 81,393,698.91, 112,323,278.79 and 44,726,631.87

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Solution

The fourth proportional to 81,393,698.91, 112,323,278.79 and 44,726,631.87 is: 61,722,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,393,698.91 : 112,323,278.79 = 44,726,631.87 : x
  2. Step 2: Convert to fraction form
    81,393,698.91/112,323,278.79 = 44,726,631.87/x
  3. Step 3: Cross multiply
    81,393,698.91x = 112,323,278.79 × 44,726,631.87
  4. Step 4: Simplify right side
    81,393,698.91x = 5,023,841,940,871,709
  5. Step 5: Solve for x
    x = 5,023,841,940,871,709/81,393,698.91
  6. Step 6: Final answer
    x = 61,722,737.86

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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.