Home / 49,029,830.46-67,656,159-30,188,420.46

Finding the Fourth Proportional to 49,029,830.46, 67,656,159 and 30,188,420.46

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Solution

The fourth proportional to 49,029,830.46, 67,656,159 and 30,188,420.46 is: 41,656,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029,830.46 : 67,656,159 = 30,188,420.46 : x
  2. Step 2: Convert to fraction form
    49,029,830.46/67,656,159 = 30,188,420.46/x
  3. Step 3: Cross multiply
    49,029,830.46x = 67,656,159 × 30,188,420.46
  4. Step 4: Simplify right side
    49,029,830.46x = 2,042,432,574,600,613.25
  5. Step 5: Solve for x
    x = 2,042,432,574,600,613.25/49,029,830.46
  6. Step 6: Final answer
    x = 41,656,937.33

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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.