Home / 72,577,579.80-108,875,700.90-36,204,562.20

Finding the Fourth Proportional to 72,577,579.80, 108,875,700.90 and 36,204,562.20

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Solution

The fourth proportional to 72,577,579.80, 108,875,700.90 and 36,204,562.20 is: 54,311,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577,579.80 : 108,875,700.90 = 36,204,562.20 : x
  2. Step 2: Convert to fraction form
    72,577,579.80/108,875,700.90 = 36,204,562.20/x
  3. Step 3: Cross multiply
    72,577,579.80x = 108,875,700.90 × 36,204,562.20
  4. Step 4: Simplify right side
    72,577,579.80x = 3,941,797,085,302,646.50
  5. Step 5: Solve for x
    x = 3,941,797,085,302,646.50/72,577,579.80
  6. Step 6: Final answer
    x = 54,311,498.07

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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.