Home / 84,129,903.92-116,098,609.56-45,498,735.92

Finding the Fourth Proportional to 84,129,903.92, 116,098,609.56 and 45,498,735.92

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Solution

The fourth proportional to 84,129,903.92, 116,098,609.56 and 45,498,735.92 is: 62,787,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,129,903.92 : 116,098,609.56 = 45,498,735.92 : x
  2. Step 2: Convert to fraction form
    84,129,903.92/116,098,609.56 = 45,498,735.92/x
  3. Step 3: Cross multiply
    84,129,903.92x = 116,098,609.56 × 45,498,735.92
  4. Step 4: Simplify right side
    84,129,903.92x = 5,282,339,977,049,628
  5. Step 5: Solve for x
    x = 5,282,339,977,049,628/84,129,903.92
  6. Step 6: Final answer
    x = 62,787,899.79

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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.