Home / 57,730,740.13-79,667,786.69-31,268,435.66

Finding the Fourth Proportional to 57,730,740.13, 79,667,786.69 and 31,268,435.66

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Solution

The fourth proportional to 57,730,740.13, 79,667,786.69 and 31,268,435.66 is: 43,150,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730,740.13 : 79,667,786.69 = 31,268,435.66 : x
  2. Step 2: Convert to fraction form
    57,730,740.13/79,667,786.69 = 31,268,435.66/x
  3. Step 3: Cross multiply
    57,730,740.13x = 79,667,786.69 × 31,268,435.66
  4. Step 4: Simplify right side
    57,730,740.13x = 2,491,087,062,290,869.50
  5. Step 5: Solve for x
    x = 2,491,087,062,290,869.50/57,730,740.13
  6. Step 6: Final answer
    x = 43,150,097.45

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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.