Home / 99,846,716.40-149,770,074.60-39,264,418.80

Finding the Fourth Proportional to 99,846,716.40, 149,770,074.60 and 39,264,418.80

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Solution

The fourth proportional to 99,846,716.40, 149,770,074.60 and 39,264,418.80 is: 58,896,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,846,716.40 : 149,770,074.60 = 39,264,418.80 : x
  2. Step 2: Convert to fraction form
    99,846,716.40/149,770,074.60 = 39,264,418.80/x
  3. Step 3: Cross multiply
    99,846,716.40x = 149,770,074.60 × 39,264,418.80
  4. Step 4: Simplify right side
    99,846,716.40x = 5,880,634,932,801,642
  5. Step 5: Solve for x
    x = 5,880,634,932,801,642/99,846,716.40
  6. Step 6: Final answer
    x = 58,896,628.20

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Similar ratio
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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.