Home / 102,701,311.12-141,743,020.62-65,027,976.61

Finding the Fourth Proportional to 102,701,311.12, 141,743,020.62 and 65,027,976.61

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Solution

The fourth proportional to 102,701,311.12, 141,743,020.62 and 65,027,976.61 is: 89,748,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,701,311.12 : 141,743,020.62 = 65,027,976.61 : x
  2. Step 2: Convert to fraction form
    102,701,311.12/141,743,020.62 = 65,027,976.61/x
  3. Step 3: Cross multiply
    102,701,311.12x = 141,743,020.62 × 65,027,976.61
  4. Step 4: Simplify right side
    102,701,311.12x = 9,217,261,829,508,108
  5. Step 5: Solve for x
    x = 9,217,261,829,508,108/102,701,311.12
  6. Step 6: Final answer
    x = 89,748,239.13

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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.