Home / 115,896,120.87-159,776,833.80-92,454,221.52

Finding the Fourth Proportional to 115,896,120.87, 159,776,833.80 and 92,454,221.52

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Solution

The fourth proportional to 115,896,120.87, 159,776,833.80 and 92,454,221.52 is: 127,459,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,896,120.87 : 159,776,833.80 = 92,454,221.52 : x
  2. Step 2: Convert to fraction form
    115,896,120.87/159,776,833.80 = 92,454,221.52/x
  3. Step 3: Cross multiply
    115,896,120.87x = 159,776,833.80 × 92,454,221.52
  4. Step 4: Simplify right side
    115,896,120.87x = 14,772,042,785,909,424
  5. Step 5: Solve for x
    x = 14,772,042,785,909,424/115,896,120.87
  6. Step 6: Final answer
    x = 127,459,337.51

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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.