Home / 91,760,894.55-137,716,629.30-91,043,449.20

Finding the Fourth Proportional to 91,760,894.55, 137,716,629.30 and 91,043,449.20

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Solution

The fourth proportional to 91,760,894.55, 137,716,629.30 and 91,043,449.20 is: 136,639,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760,894.55 : 137,716,629.30 = 91,043,449.20 : x
  2. Step 2: Convert to fraction form
    91,760,894.55/137,716,629.30 = 91,043,449.20/x
  3. Step 3: Cross multiply
    91,760,894.55x = 137,716,629.30 × 91,043,449.20
  4. Step 4: Simplify right side
    91,760,894.55x = 12,538,196,943,669,784
  5. Step 5: Solve for x
    x = 12,538,196,943,669,784/91,760,894.55
  6. Step 6: Final answer
    x = 136,639,872.63

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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.