Home / 74,983,715.69-103,432,280.97-49,523,290.80

Finding the Fourth Proportional to 74,983,715.69, 103,432,280.97 and 49,523,290.80

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Solution

The fourth proportional to 74,983,715.69, 103,432,280.97 and 49,523,290.80 is: 68,312,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,983,715.69 : 103,432,280.97 = 49,523,290.80 : x
  2. Step 2: Convert to fraction form
    74,983,715.69/103,432,280.97 = 49,523,290.80/x
  3. Step 3: Cross multiply
    74,983,715.69x = 103,432,280.97 × 49,523,290.80
  4. Step 4: Simplify right side
    74,983,715.69x = 5,122,306,928,546,288
  5. Step 5: Solve for x
    x = 5,122,306,928,546,288/74,983,715.69
  6. Step 6: Final answer
    x = 68,312,257.96

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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.