Home / 149,288,747.70-223,933,121.55-84,718,666.20

Finding the Fourth Proportional to 149,288,747.70, 223,933,121.55 and 84,718,666.20

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Solution

The fourth proportional to 149,288,747.70, 223,933,121.55 and 84,718,666.20 is: 127,077,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288,747.70 : 223,933,121.55 = 84,718,666.20 : x
  2. Step 2: Convert to fraction form
    149,288,747.70/223,933,121.55 = 84,718,666.20/x
  3. Step 3: Cross multiply
    149,288,747.70x = 223,933,121.55 × 84,718,666.20
  4. Step 4: Simplify right side
    149,288,747.70x = 18,971,315,375,718,480
  5. Step 5: Solve for x
    x = 18,971,315,375,718,480/149,288,747.70
  6. Step 6: Final answer
    x = 127,077,999.30

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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.