Home / 163,763,761.86-245,730,658.23-66,790,613.70

Finding the Fourth Proportional to 163,763,761.86, 245,730,658.23 and 66,790,613.70

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Solution

The fourth proportional to 163,763,761.86, 245,730,658.23 and 66,790,613.70 is: 100,220,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,763,761.86 : 245,730,658.23 = 66,790,613.70 : x
  2. Step 2: Convert to fraction form
    163,763,761.86/245,730,658.23 = 66,790,613.70/x
  3. Step 3: Cross multiply
    163,763,761.86x = 245,730,658.23 × 66,790,613.70
  4. Step 4: Simplify right side
    163,763,761.86x = 16,412,501,468,086,656
  5. Step 5: Solve for x
    x = 16,412,501,468,086,656/163,763,761.86
  6. Step 6: Final answer
    x = 100,220,593.87

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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.