Home / 272,181,953.57-408,270,273.21-78,094,385.96

Finding the Fourth Proportional to 272,181,953.57, 408,270,273.21 and 78,094,385.96

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Solution

The fourth proportional to 272,181,953.57, 408,270,273.21 and 78,094,385.96 is: 117,140,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,181,953.57 : 408,270,273.21 = 78,094,385.96 : x
  2. Step 2: Convert to fraction form
    272,181,953.57/408,270,273.21 = 78,094,385.96/x
  3. Step 3: Cross multiply
    272,181,953.57x = 408,270,273.21 × 78,094,385.96
  4. Step 4: Simplify right side
    272,181,953.57x = 31,883,616,290,015,036
  5. Step 5: Solve for x
    x = 31,883,616,290,015,036/272,181,953.57
  6. Step 6: Final answer
    x = 117,140,816.55

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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.