Home / 57,887,006.67-79,880,490.19-31,781,378.16

Finding the Fourth Proportional to 57,887,006.67, 79,880,490.19 and 31,781,378.16

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Solution

The fourth proportional to 57,887,006.67, 79,880,490.19 and 31,781,378.16 is: 43,856,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,006.67 : 79,880,490.19 = 31,781,378.16 : x
  2. Step 2: Convert to fraction form
    57,887,006.67/79,880,490.19 = 31,781,378.16/x
  3. Step 3: Cross multiply
    57,887,006.67x = 79,880,490.19 × 31,781,378.16
  4. Step 4: Simplify right side
    57,887,006.67x = 2,538,712,066,334,560
  5. Step 5: Solve for x
    x = 2,538,712,066,334,560/57,887,006.67
  6. Step 6: Final answer
    x = 43,856,336.89

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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.