Home / 100,282,624.29-138,339,089.77-65,495,677.41

Finding the Fourth Proportional to 100,282,624.29, 138,339,089.77 and 65,495,677.41

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Solution

The fourth proportional to 100,282,624.29, 138,339,089.77 and 65,495,677.41 is: 90,350,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,624.29 : 138,339,089.77 = 65,495,677.41 : x
  2. Step 2: Convert to fraction form
    100,282,624.29/138,339,089.77 = 65,495,677.41/x
  3. Step 3: Cross multiply
    100,282,624.29x = 138,339,089.77 × 65,495,677.41
  4. Step 4: Simplify right side
    100,282,624.29x = 9,060,612,396,768,952
  5. Step 5: Solve for x
    x = 9,060,612,396,768,952/100,282,624.29
  6. Step 6: Final answer
    x = 90,350,770.74

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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.