Home / 99,651,563.20-149,477,344.80-83,527,249.60

Finding the Fourth Proportional to 99,651,563.20, 149,477,344.80 and 83,527,249.60

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Solution

The fourth proportional to 99,651,563.20, 149,477,344.80 and 83,527,249.60 is: 125,290,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,563.20 : 149,477,344.80 = 83,527,249.60 : x
  2. Step 2: Convert to fraction form
    99,651,563.20/149,477,344.80 = 83,527,249.60/x
  3. Step 3: Cross multiply
    99,651,563.20x = 149,477,344.80 × 83,527,249.60
  4. Step 4: Simplify right side
    99,651,563.20x = 12,485,431,488,654,862
  5. Step 5: Solve for x
    x = 12,485,431,488,654,862/99,651,563.20
  6. Step 6: Final answer
    x = 125,290,874.40

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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.