Home / 84,632,087.49-126,948,131.21-67,700,377.23

Finding the Fourth Proportional to 84,632,087.49, 126,948,131.21 and 67,700,377.23

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Solution

The fourth proportional to 84,632,087.49, 126,948,131.21 and 67,700,377.23 is: 101,550,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,632,087.49 : 126,948,131.21 = 67,700,377.23 : x
  2. Step 2: Convert to fraction form
    84,632,087.49/126,948,131.21 = 67,700,377.23/x
  3. Step 3: Cross multiply
    84,632,087.49x = 126,948,131.21 × 67,700,377.23
  4. Step 4: Simplify right side
    84,632,087.49x = 8,594,436,371,253,731
  5. Step 5: Solve for x
    x = 8,594,436,371,253,731/84,632,087.49
  6. Step 6: Final answer
    x = 101,550,565.83

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1.5x scale

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.