Home / 113,622,608.80-156,694,591.52-71,733,904.32

Finding the Fourth Proportional to 113,622,608.80, 156,694,591.52 and 71,733,904.32

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Solution

The fourth proportional to 113,622,608.80, 156,694,591.52 and 71,733,904.32 is: 98,926,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,622,608.80 : 156,694,591.52 = 71,733,904.32 : x
  2. Step 2: Convert to fraction form
    113,622,608.80/156,694,591.52 = 71,733,904.32/x
  3. Step 3: Cross multiply
    113,622,608.80x = 156,694,591.52 × 71,733,904.32
  4. Step 4: Simplify right side
    113,622,608.80x = 11,240,314,835,557,164
  5. Step 5: Solve for x
    x = 11,240,314,835,557,164/113,622,608.80
  6. Step 6: Final answer
    x = 98,926,744.90

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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.