Home / 72,318,769.92-108,506,896.62-23,142,199.57

Finding the Fourth Proportional to 72,318,769.92, 108,506,896.62 and 23,142,199.57

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Solution

The fourth proportional to 72,318,769.92, 108,506,896.62 and 23,142,199.57 is: 34,722,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,318,769.92 : 108,506,896.62 = 23,142,199.57 : x
  2. Step 2: Convert to fraction form
    72,318,769.92/108,506,896.62 = 23,142,199.57/x
  3. Step 3: Cross multiply
    72,318,769.92x = 108,506,896.62 × 23,142,199.57
  4. Step 4: Simplify right side
    72,318,769.92x = 2,511,088,256,233,582
  5. Step 5: Solve for x
    x = 2,511,088,256,233,582/72,318,769.92
  6. Step 6: Final answer
    x = 34,722,496.79

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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.