Home / 177,958,414.40-266,937,621.60-75,725,787.20

Finding the Fourth Proportional to 177,958,414.40, 266,937,621.60 and 75,725,787.20

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Solution

The fourth proportional to 177,958,414.40, 266,937,621.60 and 75,725,787.20 is: 113,588,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,958,414.40 : 266,937,621.60 = 75,725,787.20 : x
  2. Step 2: Convert to fraction form
    177,958,414.40/266,937,621.60 = 75,725,787.20/x
  3. Step 3: Cross multiply
    177,958,414.40x = 266,937,621.60 × 75,725,787.20
  4. Step 4: Simplify right side
    177,958,414.40x = 20,214,061,528,955,724
  5. Step 5: Solve for x
    x = 20,214,061,528,955,724/177,958,414.40
  6. Step 6: Final answer
    x = 113,588,680.80

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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.