Home / 48,123,009.90-66,392,305.29-31,612,024.98

Finding the Fourth Proportional to 48,123,009.90, 66,392,305.29 and 31,612,024.98

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Solution

The fourth proportional to 48,123,009.90, 66,392,305.29 and 31,612,024.98 is: 43,613,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123,009.90 : 66,392,305.29 = 31,612,024.98 : x
  2. Step 2: Convert to fraction form
    48,123,009.90/66,392,305.29 = 31,612,024.98/x
  3. Step 3: Cross multiply
    48,123,009.90x = 66,392,305.29 × 31,612,024.98
  4. Step 4: Simplify right side
    48,123,009.90x = 2,098,795,213,307,266.25
  5. Step 5: Solve for x
    x = 2,098,795,213,307,266.25/48,123,009.90
  6. Step 6: Final answer
    x = 43,613,132.63

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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.