Home / 42,274,763.65-58,340,610.01-40,337,661.21

Finding the Fourth Proportional to 42,274,763.65, 58,340,610.01 and 40,337,661.21

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Solution

The fourth proportional to 42,274,763.65, 58,340,610.01 and 40,337,661.21 is: 55,667,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,274,763.65 : 58,340,610.01 = 40,337,661.21 : x
  2. Step 2: Convert to fraction form
    42,274,763.65/58,340,610.01 = 40,337,661.21/x
  3. Step 3: Cross multiply
    42,274,763.65x = 58,340,610.01 × 40,337,661.21
  4. Step 4: Simplify right side
    42,274,763.65x = 2,353,323,761,368,114.50
  5. Step 5: Solve for x
    x = 2,353,323,761,368,114.50/42,274,763.65
  6. Step 6: Final answer
    x = 55,667,342.83

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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.