Home / 99,651,650.40-149,477,475.60-91,759,751.55

Finding the Fourth Proportional to 99,651,650.40, 149,477,475.60 and 91,759,751.55

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Solution

The fourth proportional to 99,651,650.40, 149,477,475.60 and 91,759,751.55 is: 137,639,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,650.40 : 149,477,475.60 = 91,759,751.55 : x
  2. Step 2: Convert to fraction form
    99,651,650.40/149,477,475.60 = 91,759,751.55/x
  3. Step 3: Cross multiply
    99,651,650.40x = 149,477,475.60 × 91,759,751.55
  4. Step 4: Simplify right side
    99,651,650.40x = 13,716,016,023,377,186
  5. Step 5: Solve for x
    x = 13,716,016,023,377,186/99,651,650.40
  6. Step 6: Final answer
    x = 137,639,627.33

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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.