Home / 83,619,189.70-125,428,784.55-83,619,189.70

Finding the Fourth Proportional to 83,619,189.70, 125,428,784.55 and 83,619,189.70

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Solution

The fourth proportional to 83,619,189.70, 125,428,784.55 and 83,619,189.70 is: 125,428,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,619,189.70 : 125,428,784.55 = 83,619,189.70 : x
  2. Step 2: Convert to fraction form
    83,619,189.70/125,428,784.55 = 83,619,189.70/x
  3. Step 3: Cross multiply
    83,619,189.70x = 125,428,784.55 × 83,619,189.70
  4. Step 4: Simplify right side
    83,619,189.70x = 10,488,253,329,126,880
  5. Step 5: Solve for x
    x = 10,488,253,329,126,880/83,619,189.70
  6. Step 6: Final answer
    x = 125,428,784.55

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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.