Home / 45,108,786.22-67,691,642.87-19,201,046.18

Finding the Fourth Proportional to 45,108,786.22, 67,691,642.87 and 19,201,046.18

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Solution

The fourth proportional to 45,108,786.22, 67,691,642.87 and 19,201,046.18 is: 28,813,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,108,786.22 : 67,691,642.87 = 19,201,046.18 : x
  2. Step 2: Convert to fraction form
    45,108,786.22/67,691,642.87 = 19,201,046.18/x
  3. Step 3: Cross multiply
    45,108,786.22x = 67,691,642.87 × 19,201,046.18
  4. Step 4: Simplify right side
    45,108,786.22x = 1,299,750,360,456,482.25
  5. Step 5: Solve for x
    x = 1,299,750,360,456,482.25/45,108,786.22
  6. Step 6: Final answer
    x = 28,813,685.08

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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.