Home / 99,360,087.80-149,040,131.70-83,487,716.60

Finding the Fourth Proportional to 99,360,087.80, 149,040,131.70 and 83,487,716.60

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Solution

The fourth proportional to 99,360,087.80, 149,040,131.70 and 83,487,716.60 is: 125,231,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360,087.80 : 149,040,131.70 = 83,487,716.60 : x
  2. Step 2: Convert to fraction form
    99,360,087.80/149,040,131.70 = 83,487,716.60/x
  3. Step 3: Cross multiply
    99,360,087.80x = 149,040,131.70 × 83,487,716.60
  4. Step 4: Simplify right side
    99,360,087.80x = 12,443,020,277,396,274
  5. Step 5: Solve for x
    x = 12,443,020,277,396,274/99,360,087.80
  6. Step 6: Final answer
    x = 125,231,574.90

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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.