Home / 126,904,309.59-190,357,121.27-57,768,763.88

Finding the Fourth Proportional to 126,904,309.59, 190,357,121.27 and 57,768,763.88

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Solution

The fourth proportional to 126,904,309.59, 190,357,121.27 and 57,768,763.88 is: 86,653,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,309.59 : 190,357,121.27 = 57,768,763.88 : x
  2. Step 2: Convert to fraction form
    126,904,309.59/190,357,121.27 = 57,768,763.88/x
  3. Step 3: Cross multiply
    126,904,309.59x = 190,357,121.27 × 57,768,763.88
  4. Step 4: Simplify right side
    126,904,309.59x = 10,996,695,591,818,232
  5. Step 5: Solve for x
    x = 10,996,695,591,818,232/126,904,309.59
  6. Step 6: Final answer
    x = 86,653,444.85

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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.