Home / 88,403,456.80-132,605,185.20-66,880,096.30

Finding the Fourth Proportional to 88,403,456.80, 132,605,185.20 and 66,880,096.30

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Solution

The fourth proportional to 88,403,456.80, 132,605,185.20 and 66,880,096.30 is: 100,320,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403,456.80 : 132,605,185.20 = 66,880,096.30 : x
  2. Step 2: Convert to fraction form
    88,403,456.80/132,605,185.20 = 66,880,096.30/x
  3. Step 3: Cross multiply
    88,403,456.80x = 132,605,185.20 × 66,880,096.30
  4. Step 4: Simplify right side
    88,403,456.80x = 8,868,647,556,055,335
  5. Step 5: Solve for x
    x = 8,868,647,556,055,335/88,403,456.80
  6. Step 6: Final answer
    x = 100,320,144.45

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1.5x scale

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.