Home / 54,086,123.10-74,638,915.47-29,306,290.36

Finding the Fourth Proportional to 54,086,123.10, 74,638,915.47 and 29,306,290.36

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Solution

The fourth proportional to 54,086,123.10, 74,638,915.47 and 29,306,290.36 is: 40,442,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086,123.10 : 74,638,915.47 = 29,306,290.36 : x
  2. Step 2: Convert to fraction form
    54,086,123.10/74,638,915.47 = 29,306,290.36/x
  3. Step 3: Cross multiply
    54,086,123.10x = 74,638,915.47 × 29,306,290.36
  4. Step 4: Simplify right side
    54,086,123.10x = 2,187,389,728,772,784.50
  5. Step 5: Solve for x
    x = 2,187,389,728,772,784.50/54,086,123.10
  6. Step 6: Final answer
    x = 40,442,716.23

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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.