Home / 278,262,849.60-417,394,274.40-176,142,196.80

Finding the Fourth Proportional to 278,262,849.60, 417,394,274.40 and 176,142,196.80

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Solution

The fourth proportional to 278,262,849.60, 417,394,274.40 and 176,142,196.80 is: 264,213,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,262,849.60 : 417,394,274.40 = 176,142,196.80 : x
  2. Step 2: Convert to fraction form
    278,262,849.60/417,394,274.40 = 176,142,196.80/x
  3. Step 3: Cross multiply
    278,262,849.60x = 417,394,274.40 × 176,142,196.80
  4. Step 4: Simplify right side
    278,262,849.60x = 73,520,744,424,558,000
  5. Step 5: Solve for x
    x = 73,520,744,424,558,000/278,262,849.60
  6. Step 6: Final answer
    x = 264,213,295.20

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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.