Home / 217,745,110.80-326,617,666.20-74,137,942.80

Finding the Fourth Proportional to 217,745,110.80, 326,617,666.20 and 74,137,942.80

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Solution

The fourth proportional to 217,745,110.80, 326,617,666.20 and 74,137,942.80 is: 111,206,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,745,110.80 : 326,617,666.20 = 74,137,942.80 : x
  2. Step 2: Convert to fraction form
    217,745,110.80/326,617,666.20 = 74,137,942.80/x
  3. Step 3: Cross multiply
    217,745,110.80x = 326,617,666.20 × 74,137,942.80
  4. Step 4: Simplify right side
    217,745,110.80x = 24,214,761,854,205,092
  5. Step 5: Solve for x
    x = 24,214,761,854,205,092/217,745,110.80
  6. Step 6: Final answer
    x = 111,206,914.20

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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.