Home / 91,743,165.73-137,546,012.55-55,343,071.24

Finding the Fourth Proportional to 91,743,165.73, 137,546,012.55 and 55,343,071.24

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Solution

The fourth proportional to 91,743,165.73, 137,546,012.55 and 55,343,071.24 is: 82,973,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743,165.73 : 137,546,012.55 = 55,343,071.24 : x
  2. Step 2: Convert to fraction form
    91,743,165.73/137,546,012.55 = 55,343,071.24/x
  3. Step 3: Cross multiply
    91,743,165.73x = 137,546,012.55 × 55,343,071.24
  4. Step 4: Simplify right side
    91,743,165.73x = 7,612,218,771,502,856
  5. Step 5: Solve for x
    x = 7,612,218,771,502,856/91,743,165.73
  6. Step 6: Final answer
    x = 82,973,142.59

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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.