Home / 120,918,906.70-181,343,221.03-47,126,263.30

Finding the Fourth Proportional to 120,918,906.70, 181,343,221.03 and 47,126,263.30

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Solution

The fourth proportional to 120,918,906.70, 181,343,221.03 and 47,126,263.30 is: 70,675,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,918,906.70 : 181,343,221.03 = 47,126,263.30 : x
  2. Step 2: Convert to fraction form
    120,918,906.70/181,343,221.03 = 47,126,263.30/x
  3. Step 3: Cross multiply
    120,918,906.70x = 181,343,221.03 × 47,126,263.30
  4. Step 4: Simplify right side
    120,918,906.70x = 8,546,028,381,929,877
  5. Step 5: Solve for x
    x = 8,546,028,381,929,877/120,918,906.70
  6. Step 6: Final answer
    x = 70,675,700.06

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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.