Home / 57,730,738.85-79,667,784.93-31,268,434.38

Finding the Fourth Proportional to 57,730,738.85, 79,667,784.93 and 31,268,434.38

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Solution

The fourth proportional to 57,730,738.85, 79,667,784.93 and 31,268,434.38 is: 43,150,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730,738.85 : 79,667,784.93 = 31,268,434.38 : x
  2. Step 2: Convert to fraction form
    57,730,738.85/79,667,784.93 = 31,268,434.38/x
  3. Step 3: Cross multiply
    57,730,738.85x = 79,667,784.93 × 31,268,434.38
  4. Step 4: Simplify right side
    57,730,738.85x = 2,491,086,905,326,485
  5. Step 5: Solve for x
    x = 2,491,086,905,326,485/57,730,738.85
  6. Step 6: Final answer
    x = 43,150,095.69

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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.