Home / 38,134,857.10-57,202,285.65-20,218,953.10

Finding the Fourth Proportional to 38,134,857.10, 57,202,285.65 and 20,218,953.10

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Solution

The fourth proportional to 38,134,857.10, 57,202,285.65 and 20,218,953.10 is: 30,328,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,857.10 : 57,202,285.65 = 20,218,953.10 : x
  2. Step 2: Convert to fraction form
    38,134,857.10/57,202,285.65 = 20,218,953.10/x
  3. Step 3: Cross multiply
    38,134,857.10x = 57,202,285.65 × 20,218,953.10
  4. Step 4: Simplify right side
    38,134,857.10x = 1,156,570,330,770,153
  5. Step 5: Solve for x
    x = 1,156,570,330,770,153/38,134,857.10
  6. Step 6: Final answer
    x = 30,328,429.65

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Similar ratio
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1.5x scale

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.