Home / 88,403,445.80-132,605,168.70-66,880,085.30

Finding the Fourth Proportional to 88,403,445.80, 132,605,168.70 and 66,880,085.30

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Solution

The fourth proportional to 88,403,445.80, 132,605,168.70 and 66,880,085.30 is: 100,320,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403,445.80 : 132,605,168.70 = 66,880,085.30 : x
  2. Step 2: Convert to fraction form
    88,403,445.80/132,605,168.70 = 66,880,085.30/x
  3. Step 3: Cross multiply
    88,403,445.80x = 132,605,168.70 × 66,880,085.30
  4. Step 4: Simplify right side
    88,403,445.80x = 8,868,644,993,876,890
  5. Step 5: Solve for x
    x = 8,868,644,993,876,890/88,403,445.80
  6. Step 6: Final answer
    x = 100,320,127.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.