Home / 82,987,467.30-124,479,461.93-27,659,307.60

Finding the Fourth Proportional to 82,987,467.30, 124,479,461.93 and 27,659,307.60

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Solution

The fourth proportional to 82,987,467.30, 124,479,461.93 and 27,659,307.60 is: 41,488,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987,467.30 : 124,479,461.93 = 27,659,307.60 : x
  2. Step 2: Convert to fraction form
    82,987,467.30/124,479,461.93 = 27,659,307.60/x
  3. Step 3: Cross multiply
    82,987,467.30x = 124,479,461.93 × 27,659,307.60
  4. Step 4: Simplify right side
    82,987,467.30x = 3,443,015,727,266,063
  5. Step 5: Solve for x
    x = 3,443,015,727,266,063/82,987,467.30
  6. Step 6: Final answer
    x = 41,488,381.79

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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.