Home / 57,887,004.17-79,880,486.75-31,781,375.66

Finding the Fourth Proportional to 57,887,004.17, 79,880,486.75 and 31,781,375.66

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Solution

The fourth proportional to 57,887,004.17, 79,880,486.75 and 31,781,375.66 is: 43,856,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,004.17 : 79,880,486.75 = 31,781,375.66 : x
  2. Step 2: Convert to fraction form
    57,887,004.17/79,880,486.75 = 31,781,375.66/x
  3. Step 3: Cross multiply
    57,887,004.17x = 79,880,486.75 × 31,781,375.66
  4. Step 4: Simplify right side
    57,887,004.17x = 2,538,711,757,465,377
  5. Step 5: Solve for x
    x = 2,538,711,757,465,377/57,887,004.17
  6. Step 6: Final answer
    x = 43,856,333.45

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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.