Home / 53,376,619.80-79,905,497.40-31,800,115.20

Finding the Fourth Proportional to 53,376,619.80, 79,905,497.40 and 31,800,115.20

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Solution

The fourth proportional to 53,376,619.80, 79,905,497.40 and 31,800,115.20 is: 47,605,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376,619.80 : 79,905,497.40 = 31,800,115.20 : x
  2. Step 2: Convert to fraction form
    53,376,619.80/79,905,497.40 = 31,800,115.20/x
  3. Step 3: Cross multiply
    53,376,619.80x = 79,905,497.40 × 31,800,115.20
  4. Step 4: Simplify right side
    53,376,619.80x = 2,541,004,022,433,300.50
  5. Step 5: Solve for x
    x = 2,541,004,022,433,300.50/53,376,619.80
  6. Step 6: Final answer
    x = 47,605,188.04

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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.