Home / 99,620,713.80-149,459,064.30-48,504,400.20

Finding the Fourth Proportional to 99,620,713.80, 149,459,064.30 and 48,504,400.20

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Solution

The fourth proportional to 99,620,713.80, 149,459,064.30 and 48,504,400.20 is: 72,770,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620,713.80 : 149,459,064.30 = 48,504,400.20 : x
  2. Step 2: Convert to fraction form
    99,620,713.80/149,459,064.30 = 48,504,400.20/x
  3. Step 3: Cross multiply
    99,620,713.80x = 149,459,064.30 × 48,504,400.20
  4. Step 4: Simplify right side
    99,620,713.80x = 7,249,422,268,324,734
  5. Step 5: Solve for x
    x = 7,249,422,268,324,734/99,620,713.80
  6. Step 6: Final answer
    x = 72,770,230.12

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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.