Home / 100,510,400.40-150,765,600.60-66,073,023.60

Finding the Fourth Proportional to 100,510,400.40, 150,765,600.60 and 66,073,023.60

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Solution

The fourth proportional to 100,510,400.40, 150,765,600.60 and 66,073,023.60 is: 99,109,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,510,400.40 : 150,765,600.60 = 66,073,023.60 : x
  2. Step 2: Convert to fraction form
    100,510,400.40/150,765,600.60 = 66,073,023.60/x
  3. Step 3: Cross multiply
    100,510,400.40x = 150,765,600.60 × 66,073,023.60
  4. Step 4: Simplify right side
    100,510,400.40x = 9,961,539,086,511,974
  5. Step 5: Solve for x
    x = 9,961,539,086,511,974/100,510,400.40
  6. Step 6: Final answer
    x = 99,109,535.40

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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.