Home / 185,266,336.47-277,984,329.20-80,253,788.61

Finding the Fourth Proportional to 185,266,336.47, 277,984,329.20 and 80,253,788.61

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Solution

The fourth proportional to 185,266,336.47, 277,984,329.20 and 80,253,788.61 is: 120,417,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,266,336.47 : 277,984,329.20 = 80,253,788.61 : x
  2. Step 2: Convert to fraction form
    185,266,336.47/277,984,329.20 = 80,253,788.61/x
  3. Step 3: Cross multiply
    185,266,336.47x = 277,984,329.20 × 80,253,788.61
  4. Step 4: Simplify right side
    185,266,336.47x = 22,309,295,593,451,576
  5. Step 5: Solve for x
    x = 22,309,295,593,451,576/185,266,336.47
  6. Step 6: Final answer
    x = 120,417,427.25

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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.