Home / 38,266,340.38-57,432,676.43-20,083,381.81

Finding the Fourth Proportional to 38,266,340.38, 57,432,676.43 and 20,083,381.81

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Solution

The fourth proportional to 38,266,340.38, 57,432,676.43 and 20,083,381.81 is: 30,142,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266,340.38 : 57,432,676.43 = 20,083,381.81 : x
  2. Step 2: Convert to fraction form
    38,266,340.38/57,432,676.43 = 20,083,381.81/x
  3. Step 3: Cross multiply
    38,266,340.38x = 57,432,676.43 × 20,083,381.81
  4. Step 4: Simplify right side
    38,266,340.38x = 1,153,442,369,113,877.75
  5. Step 5: Solve for x
    x = 1,153,442,369,113,877.75/38,266,340.38
  6. Step 6: Final answer
    x = 30,142,479.20

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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.