Home / 154,641,454.40-231,962,181.60-103,680,660.80

Finding the Fourth Proportional to 154,641,454.40, 231,962,181.60 and 103,680,660.80

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Solution

The fourth proportional to 154,641,454.40, 231,962,181.60 and 103,680,660.80 is: 155,520,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,641,454.40 : 231,962,181.60 = 103,680,660.80 : x
  2. Step 2: Convert to fraction form
    154,641,454.40/231,962,181.60 = 103,680,660.80/x
  3. Step 3: Cross multiply
    154,641,454.40x = 231,962,181.60 × 103,680,660.80
  4. Step 4: Simplify right side
    154,641,454.40x = 24,049,992,268,897,600
  5. Step 5: Solve for x
    x = 24,049,992,268,897,600/154,641,454.40
  6. Step 6: Final answer
    x = 155,520,991.20

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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.