Home / 127,695,023.91-191,542,538.40-30,650,731.52

Finding the Fourth Proportional to 127,695,023.91, 191,542,538.40 and 30,650,731.52

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Solution

The fourth proportional to 127,695,023.91, 191,542,538.40 and 30,650,731.52 is: 45,976,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,695,023.91 : 191,542,538.40 = 30,650,731.52 : x
  2. Step 2: Convert to fraction form
    127,695,023.91/191,542,538.40 = 30,650,731.52/x
  3. Step 3: Cross multiply
    127,695,023.91x = 191,542,538.40 × 30,650,731.52
  4. Step 4: Simplify right side
    127,695,023.91x = 5,870,918,918,538,485
  5. Step 5: Solve for x
    x = 5,870,918,918,538,485/127,695,023.91
  6. Step 6: Final answer
    x = 45,976,097.88

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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.