Home / 51,665,879.85-77,508,355.08-21,376,104.81

Finding the Fourth Proportional to 51,665,879.85, 77,508,355.08 and 21,376,104.81

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Solution

The fourth proportional to 51,665,879.85, 77,508,355.08 and 21,376,104.81 is: 32,068,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665,879.85 : 77,508,355.08 = 21,376,104.81 : x
  2. Step 2: Convert to fraction form
    51,665,879.85/77,508,355.08 = 21,376,104.81/x
  3. Step 3: Cross multiply
    51,665,879.85x = 77,508,355.08 × 21,376,104.81
  4. Step 4: Simplify right side
    51,665,879.85x = 1,656,826,721,840,775.75
  5. Step 5: Solve for x
    x = 1,656,826,721,840,775.75/51,665,879.85
  6. Step 6: Final answer
    x = 32,068,102.33

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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.