Home / 252,227,334.71-378,341,002.07-169,900,480.80

Finding the Fourth Proportional to 252,227,334.71, 378,341,002.07 and 169,900,480.80

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Solution

The fourth proportional to 252,227,334.71, 378,341,002.07 and 169,900,480.80 is: 254,850,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,334.71 : 378,341,002.07 = 169,900,480.80 : x
  2. Step 2: Convert to fraction form
    252,227,334.71/378,341,002.07 = 169,900,480.80/x
  3. Step 3: Cross multiply
    252,227,334.71x = 378,341,002.07 × 169,900,480.80
  4. Step 4: Simplify right side
    252,227,334.71x = 64,280,318,157,834,432
  5. Step 5: Solve for x
    x = 64,280,318,157,834,432/252,227,334.71
  6. Step 6: Final answer
    x = 254,850,721.20

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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.