Home / 85,232,549.10-117,542,476.99-55,853,211.23

Finding the Fourth Proportional to 85,232,549.10, 117,542,476.99 and 55,853,211.23

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Solution

The fourth proportional to 85,232,549.10, 117,542,476.99 and 55,853,211.23 is: 77,026,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232,549.10 : 117,542,476.99 = 55,853,211.23 : x
  2. Step 2: Convert to fraction form
    85,232,549.10/117,542,476.99 = 55,853,211.23/x
  3. Step 3: Cross multiply
    85,232,549.10x = 117,542,476.99 × 55,853,211.23
  4. Step 4: Simplify right side
    85,232,549.10x = 6,565,124,795,819,884
  5. Step 5: Solve for x
    x = 6,565,124,795,819,884/85,232,549.10
  6. Step 6: Final answer
    x = 77,026,028.97

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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.