Home / 100,822,812.20-150,856,304.70-66,810,588.20

Finding the Fourth Proportional to 100,822,812.20, 150,856,304.70 and 66,810,588.20

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Solution

The fourth proportional to 100,822,812.20, 150,856,304.70 and 66,810,588.20 is: 99,965,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822,812.20 : 150,856,304.70 = 66,810,588.20 : x
  2. Step 2: Convert to fraction form
    100,822,812.20/150,856,304.70 = 66,810,588.20/x
  3. Step 3: Cross multiply
    100,822,812.20x = 150,856,304.70 × 66,810,588.20
  4. Step 4: Simplify right side
    100,822,812.20x = 10,078,798,450,685,424
  5. Step 5: Solve for x
    x = 10,078,798,450,685,424/100,822,812.20
  6. Step 6: Final answer
    x = 99,965,456.53

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1.5x scale

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.