Home / 220,398,460.02-330,645,515.46-67,040,530.65

Finding the Fourth Proportional to 220,398,460.02, 330,645,515.46 and 67,040,530.65

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Solution

The fourth proportional to 220,398,460.02, 330,645,515.46 and 67,040,530.65 is: 100,575,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,398,460.02 : 330,645,515.46 = 67,040,530.65 : x
  2. Step 2: Convert to fraction form
    220,398,460.02/330,645,515.46 = 67,040,530.65/x
  3. Step 3: Cross multiply
    220,398,460.02x = 330,645,515.46 × 67,040,530.65
  4. Step 4: Simplify right side
    220,398,460.02x = 22,166,650,813,481,176
  5. Step 5: Solve for x
    x = 22,166,650,813,481,176/220,398,460.02
  6. Step 6: Final answer
    x = 100,575,343.46

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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.