Home / 143,479,776.66-215,218,246.68-65,734,628.04

Finding the Fourth Proportional to 143,479,776.66, 215,218,246.68 and 65,734,628.04

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Solution

The fourth proportional to 143,479,776.66, 215,218,246.68 and 65,734,628.04 is: 98,601,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,479,776.66 : 215,218,246.68 = 65,734,628.04 : x
  2. Step 2: Convert to fraction form
    143,479,776.66/215,218,246.68 = 65,734,628.04/x
  3. Step 3: Cross multiply
    143,479,776.66x = 215,218,246.68 × 65,734,628.04
  4. Step 4: Simplify right side
    143,479,776.66x = 14,147,291,392,930,766
  5. Step 5: Solve for x
    x = 14,147,291,392,930,766/143,479,776.66
  6. Step 6: Final answer
    x = 98,601,292.27

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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.