Home / 45,403,531.80-68,105,297.70-31,532,921.70

Finding the Fourth Proportional to 45,403,531.80, 68,105,297.70 and 31,532,921.70

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Solution

The fourth proportional to 45,403,531.80, 68,105,297.70 and 31,532,921.70 is: 47,299,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403,531.80 : 68,105,297.70 = 31,532,921.70 : x
  2. Step 2: Convert to fraction form
    45,403,531.80/68,105,297.70 = 31,532,921.70/x
  3. Step 3: Cross multiply
    45,403,531.80x = 68,105,297.70 × 31,532,921.70
  4. Step 4: Simplify right side
    45,403,531.80x = 2,147,559,019,729,290.25
  5. Step 5: Solve for x
    x = 2,147,559,019,729,290.25/45,403,531.80
  6. Step 6: Final answer
    x = 47,299,382.55

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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.