Home / 60,482,948.60-90,724,422.90-20,093,432.60

Finding the Fourth Proportional to 60,482,948.60, 90,724,422.90 and 20,093,432.60

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Solution

The fourth proportional to 60,482,948.60, 90,724,422.90 and 20,093,432.60 is: 30,140,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482,948.60 : 90,724,422.90 = 20,093,432.60 : x
  2. Step 2: Convert to fraction form
    60,482,948.60/90,724,422.90 = 20,093,432.60/x
  3. Step 3: Cross multiply
    60,482,948.60x = 90,724,422.90 × 20,093,432.60
  4. Step 4: Simplify right side
    60,482,948.60x = 1,822,965,076,715,046.75
  5. Step 5: Solve for x
    x = 1,822,965,076,715,046.75/60,482,948.60
  6. Step 6: Final answer
    x = 30,140,148.90

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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.