Home / 135,224,806.47-202,840,703.45-36,857,321.78

Finding the Fourth Proportional to 135,224,806.47, 202,840,703.45 and 36,857,321.78

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Solution

The fourth proportional to 135,224,806.47, 202,840,703.45 and 36,857,321.78 is: 55,286,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,224,806.47 : 202,840,703.45 = 36,857,321.78 : x
  2. Step 2: Convert to fraction form
    135,224,806.47/202,840,703.45 = 36,857,321.78/x
  3. Step 3: Cross multiply
    135,224,806.47x = 202,840,703.45 × 36,857,321.78
  4. Step 4: Simplify right side
    135,224,806.47x = 7,476,165,075,939,715
  5. Step 5: Solve for x
    x = 7,476,165,075,939,715/135,224,806.47
  6. Step 6: Final answer
    x = 55,286,934.93

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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.