Home / 120,919,460.96-181,373,680.20-39,042,117.56

Finding the Fourth Proportional to 120,919,460.96, 181,373,680.20 and 39,042,117.56

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Solution

The fourth proportional to 120,919,460.96, 181,373,680.20 and 39,042,117.56 is: 58,561,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,919,460.96 : 181,373,680.20 = 39,042,117.56 : x
  2. Step 2: Convert to fraction form
    120,919,460.96/181,373,680.20 = 39,042,117.56/x
  3. Step 3: Cross multiply
    120,919,460.96x = 181,373,680.20 × 39,042,117.56
  4. Step 4: Simplify right side
    120,919,460.96x = 7,081,212,544,658,244
  5. Step 5: Solve for x
    x = 7,081,212,544,658,244/120,919,460.96
  6. Step 6: Final answer
    x = 58,561,396.89

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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.