Home / 81,082,749.52-121,639,772.25-26,480,655.90

Finding the Fourth Proportional to 81,082,749.52, 121,639,772.25 and 26,480,655.90

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Solution

The fourth proportional to 81,082,749.52, 121,639,772.25 and 26,480,655.90 is: 39,726,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,749.52 : 121,639,772.25 = 26,480,655.90 : x
  2. Step 2: Convert to fraction form
    81,082,749.52/121,639,772.25 = 26,480,655.90/x
  3. Step 3: Cross multiply
    81,082,749.52x = 121,639,772.25 × 26,480,655.90
  4. Step 4: Simplify right side
    81,082,749.52x = 3,221,100,952,706,618.50
  5. Step 5: Solve for x
    x = 3,221,100,952,706,618.50/81,082,749.52
  6. Step 6: Final answer
    x = 39,726,094.29

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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.