Home / 131,467,186.60-181,392,121.92-85,001,529.04

Finding the Fourth Proportional to 131,467,186.60, 181,392,121.92 and 85,001,529.04

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Solution

The fourth proportional to 131,467,186.60, 181,392,121.92 and 85,001,529.04 is: 117,281,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,467,186.60 : 181,392,121.92 = 85,001,529.04 : x
  2. Step 2: Convert to fraction form
    131,467,186.60/181,392,121.92 = 85,001,529.04/x
  3. Step 3: Cross multiply
    131,467,186.60x = 181,392,121.92 × 85,001,529.04
  4. Step 4: Simplify right side
    131,467,186.60x = 15,418,607,719,010,100
  5. Step 5: Solve for x
    x = 15,418,607,719,010,100/131,467,186.60
  6. Step 6: Final answer
    x = 117,281,035.05

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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.