Home / 55,050,751.92-75,971,286.50-30,272,315.28

Finding the Fourth Proportional to 55,050,751.92, 75,971,286.50 and 30,272,315.28

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Solution

The fourth proportional to 55,050,751.92, 75,971,286.50 and 30,272,315.28 is: 41,776,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050,751.92 : 75,971,286.50 = 30,272,315.28 : x
  2. Step 2: Convert to fraction form
    55,050,751.92/75,971,286.50 = 30,272,315.28/x
  3. Step 3: Cross multiply
    55,050,751.92x = 75,971,286.50 × 30,272,315.28
  4. Step 4: Simplify right side
    55,050,751.92x = 2,299,826,737,155,208
  5. Step 5: Solve for x
    x = 2,299,826,737,155,208/55,050,751.92
  6. Step 6: Final answer
    x = 41,776,481.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.