Home / 120,887,706.60-181,353,678.30-49,091,380.20

Finding the Fourth Proportional to 120,887,706.60, 181,353,678.30 and 49,091,380.20

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Solution

The fourth proportional to 120,887,706.60, 181,353,678.30 and 49,091,380.20 is: 73,646,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,887,706.60 : 181,353,678.30 = 49,091,380.20 : x
  2. Step 2: Convert to fraction form
    120,887,706.60/181,353,678.30 = 49,091,380.20/x
  3. Step 3: Cross multiply
    120,887,706.60x = 181,353,678.30 × 49,091,380.20
  4. Step 4: Simplify right side
    120,887,706.60x = 8,902,902,372,093,791
  5. Step 5: Solve for x
    x = 8,902,902,372,093,791/120,887,706.60
  6. Step 6: Final answer
    x = 73,646,052.38

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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.