Home / 100,169,896.80-150,254,845.20-74,341,864.20

Finding the Fourth Proportional to 100,169,896.80, 150,254,845.20 and 74,341,864.20

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Solution

The fourth proportional to 100,169,896.80, 150,254,845.20 and 74,341,864.20 is: 111,512,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,169,896.80 : 150,254,845.20 = 74,341,864.20 : x
  2. Step 2: Convert to fraction form
    100,169,896.80/150,254,845.20 = 74,341,864.20/x
  3. Step 3: Cross multiply
    100,169,896.80x = 150,254,845.20 × 74,341,864.20
  4. Step 4: Simplify right side
    100,169,896.80x = 11,170,225,297,250,422
  5. Step 5: Solve for x
    x = 11,170,225,297,250,422/100,169,896.80
  6. Step 6: Final answer
    x = 111,512,796.30

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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.