Home / 86,739,997.23-119,700,080.17-49,569,851.21

Finding the Fourth Proportional to 86,739,997.23, 119,700,080.17 and 49,569,851.21

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Solution

The fourth proportional to 86,739,997.23, 119,700,080.17 and 49,569,851.21 is: 68,405,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,739,997.23 : 119,700,080.17 = 49,569,851.21 : x
  2. Step 2: Convert to fraction form
    86,739,997.23/119,700,080.17 = 49,569,851.21/x
  3. Step 3: Cross multiply
    86,739,997.23x = 119,700,080.17 × 49,569,851.21
  4. Step 4: Simplify right side
    86,739,997.23x = 5,933,515,163,129,546
  5. Step 5: Solve for x
    x = 5,933,515,163,129,546/86,739,997.23
  6. Step 6: Final answer
    x = 68,405,756.89

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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.