Home / 72,582,934.80-108,874,402.20-54,667,030.80

Finding the Fourth Proportional to 72,582,934.80, 108,874,402.20 and 54,667,030.80

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Solution

The fourth proportional to 72,582,934.80, 108,874,402.20 and 54,667,030.80 is: 82,000,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,934.80 : 108,874,402.20 = 54,667,030.80 : x
  2. Step 2: Convert to fraction form
    72,582,934.80/108,874,402.20 = 54,667,030.80/x
  3. Step 3: Cross multiply
    72,582,934.80x = 108,874,402.20 × 54,667,030.80
  4. Step 4: Simplify right side
    72,582,934.80x = 5,951,840,298,398,988
  5. Step 5: Solve for x
    x = 5,951,840,298,398,988/72,582,934.80
  6. Step 6: Final answer
    x = 82,000,546.20

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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.