Home / 57,887,007.68-79,880,491.58-31,781,379.16

Finding the Fourth Proportional to 57,887,007.68, 79,880,491.58 and 31,781,379.16

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Solution

The fourth proportional to 57,887,007.68, 79,880,491.58 and 31,781,379.16 is: 43,856,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,007.68 : 79,880,491.58 = 31,781,379.16 : x
  2. Step 2: Convert to fraction form
    57,887,007.68/79,880,491.58 = 31,781,379.16/x
  3. Step 3: Cross multiply
    57,887,007.68x = 79,880,491.58 × 31,781,379.16
  4. Step 4: Simplify right side
    57,887,007.68x = 2,538,712,190,391,167.50
  5. Step 5: Solve for x
    x = 2,538,712,190,391,167.50/57,887,007.68
  6. Step 6: Final answer
    x = 43,856,338.27

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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.