Home / 36,379,360.40-54,569,040.60-31,490,103.20

Finding the Fourth Proportional to 36,379,360.40, 54,569,040.60 and 31,490,103.20

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Solution

The fourth proportional to 36,379,360.40, 54,569,040.60 and 31,490,103.20 is: 47,235,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379,360.40 : 54,569,040.60 = 31,490,103.20 : x
  2. Step 2: Convert to fraction form
    36,379,360.40/54,569,040.60 = 31,490,103.20/x
  3. Step 3: Cross multiply
    36,379,360.40x = 54,569,040.60 × 31,490,103.20
  4. Step 4: Simplify right side
    36,379,360.40x = 1,718,384,720,018,990
  5. Step 5: Solve for x
    x = 1,718,384,720,018,990/36,379,360.40
  6. Step 6: Final answer
    x = 47,235,154.80

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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.