Home / 235,845,280.80-353,767,921.20-82,475,344.80

Finding the Fourth Proportional to 235,845,280.80, 353,767,921.20 and 82,475,344.80

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Solution

The fourth proportional to 235,845,280.80, 353,767,921.20 and 82,475,344.80 is: 123,713,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,845,280.80 : 353,767,921.20 = 82,475,344.80 : x
  2. Step 2: Convert to fraction form
    235,845,280.80/353,767,921.20 = 82,475,344.80/x
  3. Step 3: Cross multiply
    235,845,280.80x = 353,767,921.20 × 82,475,344.80
  4. Step 4: Simplify right side
    235,845,280.80x = 29,177,131,280,149,228
  5. Step 5: Solve for x
    x = 29,177,131,280,149,228/235,845,280.80
  6. Step 6: Final answer
    x = 123,713,017.20

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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.