Home / 72,582,946.80-108,874,420.20-54,667,042.80

Finding the Fourth Proportional to 72,582,946.80, 108,874,420.20 and 54,667,042.80

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Solution

The fourth proportional to 72,582,946.80, 108,874,420.20 and 54,667,042.80 is: 82,000,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,946.80 : 108,874,420.20 = 54,667,042.80 : x
  2. Step 2: Convert to fraction form
    72,582,946.80/108,874,420.20 = 54,667,042.80/x
  3. Step 3: Cross multiply
    72,582,946.80x = 108,874,420.20 × 54,667,042.80
  4. Step 4: Simplify right side
    72,582,946.80x = 5,951,842,588,898,584
  5. Step 5: Solve for x
    x = 5,951,842,588,898,584/72,582,946.80
  6. Step 6: Final answer
    x = 82,000,564.20

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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.