Home / 107,768,065.90-161,754,297.97-66,703,288.14

Finding the Fourth Proportional to 107,768,065.90, 161,754,297.97 and 66,703,288.14

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Solution

The fourth proportional to 107,768,065.90, 161,754,297.97 and 66,703,288.14 is: 100,118,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768,065.90 : 161,754,297.97 = 66,703,288.14 : x
  2. Step 2: Convert to fraction form
    107,768,065.90/161,754,297.97 = 66,703,288.14/x
  3. Step 3: Cross multiply
    107,768,065.90x = 161,754,297.97 × 66,703,288.14
  4. Step 4: Simplify right side
    107,768,065.90x = 10,789,543,545,376,328
  5. Step 5: Solve for x
    x = 10,789,543,545,376,328/107,768,065.90
  6. Step 6: Final answer
    x = 100,118,188.59

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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.