Home / 217,744,891.80-326,617,337.70-137,123,323.80

Finding the Fourth Proportional to 217,744,891.80, 326,617,337.70 and 137,123,323.80

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Solution

The fourth proportional to 217,744,891.80, 326,617,337.70 and 137,123,323.80 is: 205,684,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,891.80 : 326,617,337.70 = 137,123,323.80 : x
  2. Step 2: Convert to fraction form
    217,744,891.80/326,617,337.70 = 137,123,323.80/x
  3. Step 3: Cross multiply
    217,744,891.80x = 326,617,337.70 × 137,123,323.80
  4. Step 4: Simplify right side
    217,744,891.80x = 44,786,854,956,131,048
  5. Step 5: Solve for x
    x = 44,786,854,956,131,048/217,744,891.80
  6. Step 6: Final answer
    x = 205,684,985.70

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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.