Home / 278,769,834.40-418,154,751.60-169,930,717.60

Finding the Fourth Proportional to 278,769,834.40, 418,154,751.60 and 169,930,717.60

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Solution

The fourth proportional to 278,769,834.40, 418,154,751.60 and 169,930,717.60 is: 254,896,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,769,834.40 : 418,154,751.60 = 169,930,717.60 : x
  2. Step 2: Convert to fraction form
    278,769,834.40/418,154,751.60 = 169,930,717.60/x
  3. Step 3: Cross multiply
    278,769,834.40x = 418,154,751.60 × 169,930,717.60
  4. Step 4: Simplify right side
    278,769,834.40x = 71,057,337,007,237,752
  5. Step 5: Solve for x
    x = 71,057,337,007,237,752/278,769,834.40
  6. Step 6: Final answer
    x = 254,896,076.40

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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.