Home / 115,309,359.06-159,126,909.12-63,098,400.94

Finding the Fourth Proportional to 115,309,359.06, 159,126,909.12 and 63,098,400.94

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Solution

The fourth proportional to 115,309,359.06, 159,126,909.12 and 63,098,400.94 is: 87,075,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,309,359.06 : 159,126,909.12 = 63,098,400.94 : x
  2. Step 2: Convert to fraction form
    115,309,359.06/159,126,909.12 = 63,098,400.94/x
  3. Step 3: Cross multiply
    115,309,359.06x = 159,126,909.12 × 63,098,400.94
  4. Step 4: Simplify right side
    115,309,359.06x = 10,040,653,511,996,702
  5. Step 5: Solve for x
    x = 10,040,653,511,996,702/115,309,359.06
  6. Step 6: Final answer
    x = 87,075,789.80

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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.