Home / 149,328,086.40-223,992,129.60-47,123,452.80

Finding the Fourth Proportional to 149,328,086.40, 223,992,129.60 and 47,123,452.80

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Solution

The fourth proportional to 149,328,086.40, 223,992,129.60 and 47,123,452.80 is: 70,685,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328,086.40 : 223,992,129.60 = 47,123,452.80 : x
  2. Step 2: Convert to fraction form
    149,328,086.40/223,992,129.60 = 47,123,452.80/x
  3. Step 3: Cross multiply
    149,328,086.40x = 223,992,129.60 × 47,123,452.80
  4. Step 4: Simplify right side
    149,328,086.40x = 10,555,282,546,777,082
  5. Step 5: Solve for x
    x = 10,555,282,546,777,082/149,328,086.40
  6. Step 6: Final answer
    x = 70,685,179.20

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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.