Home / 91,765,664.63-126,639,958.74-49,947,710.18

Finding the Fourth Proportional to 91,765,664.63, 126,639,958.74 and 49,947,710.18

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Solution

The fourth proportional to 91,765,664.63, 126,639,958.74 and 49,947,710.18 is: 68,929,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,664.63 : 126,639,958.74 = 49,947,710.18 : x
  2. Step 2: Convert to fraction form
    91,765,664.63/126,639,958.74 = 49,947,710.18/x
  3. Step 3: Cross multiply
    91,765,664.63x = 126,639,958.74 × 49,947,710.18
  4. Step 4: Simplify right side
    91,765,664.63x = 6,325,375,956,669,277
  5. Step 5: Solve for x
    x = 6,325,375,956,669,277/91,765,664.63
  6. Step 6: Final answer
    x = 68,929,658.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.