Home / 121,379,166.20-182,068,749.30-107,349,123.80

Finding the Fourth Proportional to 121,379,166.20, 182,068,749.30 and 107,349,123.80

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Solution

The fourth proportional to 121,379,166.20, 182,068,749.30 and 107,349,123.80 is: 161,023,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,379,166.20 : 182,068,749.30 = 107,349,123.80 : x
  2. Step 2: Convert to fraction form
    121,379,166.20/182,068,749.30 = 107,349,123.80/x
  3. Step 3: Cross multiply
    121,379,166.20x = 182,068,749.30 × 107,349,123.80
  4. Step 4: Simplify right side
    121,379,166.20x = 19,544,920,708,716,864
  5. Step 5: Solve for x
    x = 19,544,920,708,716,864/121,379,166.20
  6. Step 6: Final answer
    x = 161,023,685.70

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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.