Home / 72,586,610.80-108,889,247.40-36,213,593.20

Finding the Fourth Proportional to 72,586,610.80, 108,889,247.40 and 36,213,593.20

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Solution

The fourth proportional to 72,586,610.80, 108,889,247.40 and 36,213,593.20 is: 54,325,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,586,610.80 : 108,889,247.40 = 36,213,593.20 : x
  2. Step 2: Convert to fraction form
    72,586,610.80/108,889,247.40 = 36,213,593.20/x
  3. Step 3: Cross multiply
    72,586,610.80x = 108,889,247.40 × 36,213,593.20
  4. Step 4: Simplify right side
    72,586,610.80x = 3,943,270,909,197,758
  5. Step 5: Solve for x
    x = 3,943,270,909,197,758/72,586,610.80
  6. Step 6: Final answer
    x = 54,325,045.15

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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.