Home / 161,504,378.40-242,256,567.60-143,647,960.80

Finding the Fourth Proportional to 161,504,378.40, 242,256,567.60 and 143,647,960.80

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Solution

The fourth proportional to 161,504,378.40, 242,256,567.60 and 143,647,960.80 is: 215,471,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504,378.40 : 242,256,567.60 = 143,647,960.80 : x
  2. Step 2: Convert to fraction form
    161,504,378.40/242,256,567.60 = 143,647,960.80/x
  3. Step 3: Cross multiply
    161,504,378.40x = 242,256,567.60 × 143,647,960.80
  4. Step 4: Simplify right side
    161,504,378.40x = 34,799,661,926,147,352
  5. Step 5: Solve for x
    x = 34,799,661,926,147,352/161,504,378.40
  6. Step 6: Final answer
    x = 215,471,941.20

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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.