Home / 71,999,575.65-107,913,021.53-36,948,643.29

Finding the Fourth Proportional to 71,999,575.65, 107,913,021.53 and 36,948,643.29

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Solution

The fourth proportional to 71,999,575.65, 107,913,021.53 and 36,948,643.29 is: 55,378,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,999,575.65 : 107,913,021.53 = 36,948,643.29 : x
  2. Step 2: Convert to fraction form
    71,999,575.65/107,913,021.53 = 36,948,643.29/x
  3. Step 3: Cross multiply
    71,999,575.65x = 107,913,021.53 × 36,948,643.29
  4. Step 4: Simplify right side
    71,999,575.65x = 3,987,239,738,673,317
  5. Step 5: Solve for x
    x = 3,987,239,738,673,317/71,999,575.65
  6. Step 6: Final answer
    x = 55,378,656.09

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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.