Home / 254,482,957.80-381,836,411.10-118,098,138.60

Finding the Fourth Proportional to 254,482,957.80, 381,836,411.10 and 118,098,138.60

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Solution

The fourth proportional to 254,482,957.80, 381,836,411.10 and 118,098,138.60 is: 177,199,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,482,957.80 : 381,836,411.10 = 118,098,138.60 : x
  2. Step 2: Convert to fraction form
    254,482,957.80/381,836,411.10 = 118,098,138.60/x
  3. Step 3: Cross multiply
    254,482,957.80x = 381,836,411.10 × 118,098,138.60
  4. Step 4: Simplify right side
    254,482,957.80x = 45,094,169,400,614,376
  5. Step 5: Solve for x
    x = 45,094,169,400,614,376/254,482,957.80
  6. Step 6: Final answer
    x = 177,199,171.96

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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.