Home / 86,538,101.10-129,807,151.65-25,127,141.10

Finding the Fourth Proportional to 86,538,101.10, 129,807,151.65 and 25,127,141.10

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Solution

The fourth proportional to 86,538,101.10, 129,807,151.65 and 25,127,141.10 is: 37,690,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538,101.10 : 129,807,151.65 = 25,127,141.10 : x
  2. Step 2: Convert to fraction form
    86,538,101.10/129,807,151.65 = 25,127,141.10/x
  3. Step 3: Cross multiply
    86,538,101.10x = 129,807,151.65 × 25,127,141.10
  4. Step 4: Simplify right side
    86,538,101.10x = 3,261,682,615,298,648
  5. Step 5: Solve for x
    x = 3,261,682,615,298,648/86,538,101.10
  6. Step 6: Final answer
    x = 37,690,711.65

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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.