Home / 131,632,921.92-181,659,142.36-72,895,587.04

Finding the Fourth Proportional to 131,632,921.92, 181,659,142.36 and 72,895,587.04

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Solution

The fourth proportional to 131,632,921.92, 181,659,142.36 and 72,895,587.04 is: 100,599,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632,921.92 : 181,659,142.36 = 72,895,587.04 : x
  2. Step 2: Convert to fraction form
    131,632,921.92/181,659,142.36 = 72,895,587.04/x
  3. Step 3: Cross multiply
    131,632,921.92x = 181,659,142.36 × 72,895,587.04
  4. Step 4: Simplify right side
    131,632,921.92x = 13,242,149,823,515,134
  5. Step 5: Solve for x
    x = 13,242,149,823,515,134/131,632,921.92
  6. Step 6: Final answer
    x = 100,599,072.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.