Home / 36,379,376.40-54,569,064.60-31,490,119.20

Finding the Fourth Proportional to 36,379,376.40, 54,569,064.60 and 31,490,119.20

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Solution

The fourth proportional to 36,379,376.40, 54,569,064.60 and 31,490,119.20 is: 47,235,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379,376.40 : 54,569,064.60 = 31,490,119.20 : x
  2. Step 2: Convert to fraction form
    36,379,376.40/54,569,064.60 = 31,490,119.20/x
  3. Step 3: Cross multiply
    36,379,376.40x = 54,569,064.60 × 31,490,119.20
  4. Step 4: Simplify right side
    36,379,376.40x = 1,718,386,348,886,500.25
  5. Step 5: Solve for x
    x = 1,718,386,348,886,500.25/36,379,376.40
  6. Step 6: Final answer
    x = 47,235,178.80

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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.