Home / 56,388,379.30-77,820,722.01-31,608,170.02

Finding the Fourth Proportional to 56,388,379.30, 77,820,722.01 and 31,608,170.02

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Solution

The fourth proportional to 56,388,379.30, 77,820,722.01 and 31,608,170.02 is: 43,621,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388,379.30 : 77,820,722.01 = 31,608,170.02 : x
  2. Step 2: Convert to fraction form
    56,388,379.30/77,820,722.01 = 31,608,170.02/x
  3. Step 3: Cross multiply
    56,388,379.30x = 77,820,722.01 × 31,608,170.02
  4. Step 4: Simplify right side
    56,388,379.30x = 2,459,770,612,371,236.50
  5. Step 5: Solve for x
    x = 2,459,770,612,371,236.50/56,388,379.30
  6. Step 6: Final answer
    x = 43,621,942.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.