Home / 253,845,338.20-380,780,448.90-132,912,986.20

Finding the Fourth Proportional to 253,845,338.20, 380,780,448.90 and 132,912,986.20

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Solution

The fourth proportional to 253,845,338.20, 380,780,448.90 and 132,912,986.20 is: 199,375,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,845,338.20 : 380,780,448.90 = 132,912,986.20 : x
  2. Step 2: Convert to fraction form
    253,845,338.20/380,780,448.90 = 132,912,986.20/x
  3. Step 3: Cross multiply
    253,845,338.20x = 380,780,448.90 × 132,912,986.20
  4. Step 4: Simplify right side
    253,845,338.20x = 50,610,666,549,875,504
  5. Step 5: Solve for x
    x = 50,610,666,549,875,504/253,845,338.20
  6. Step 6: Final answer
    x = 199,375,993.70

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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.