Home / 407,970,036.40-612,096,772.20-178,104,089.20

Finding the Fourth Proportional to 407,970,036.40, 612,096,772.20 and 178,104,089.20

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Solution

The fourth proportional to 407,970,036.40, 612,096,772.20 and 178,104,089.20 is: 267,218,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,970,036.40 : 612,096,772.20 = 178,104,089.20 : x
  2. Step 2: Convert to fraction form
    407,970,036.40/612,096,772.20 = 178,104,089.20/x
  3. Step 3: Cross multiply
    407,970,036.40x = 612,096,772.20 × 178,104,089.20
  4. Step 4: Simplify right side
    407,970,036.40x = 109,016,938,114,940,880
  5. Step 5: Solve for x
    x = 109,016,938,114,940,880/407,970,036.40
  6. Step 6: Final answer
    x = 267,218,002.28

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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.