Home / 143,479,781.66-215,218,254.18-65,734,633.04

Finding the Fourth Proportional to 143,479,781.66, 215,218,254.18 and 65,734,633.04

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Solution

The fourth proportional to 143,479,781.66, 215,218,254.18 and 65,734,633.04 is: 98,601,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,479,781.66 : 215,218,254.18 = 65,734,633.04 : x
  2. Step 2: Convert to fraction form
    143,479,781.66/215,218,254.18 = 65,734,633.04/x
  3. Step 3: Cross multiply
    143,479,781.66x = 215,218,254.18 × 65,734,633.04
  4. Step 4: Simplify right side
    143,479,781.66x = 14,147,292,962,031,746
  5. Step 5: Solve for x
    x = 14,147,292,962,031,746/143,479,781.66
  6. Step 6: Final answer
    x = 98,601,299.77

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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.