Home / 91,136,911.02-125,770,118.49-49,882,917.66

Finding the Fourth Proportional to 91,136,911.02, 125,770,118.49 and 49,882,917.66

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Solution

The fourth proportional to 91,136,911.02, 125,770,118.49 and 49,882,917.66 is: 68,839,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,136,911.02 : 125,770,118.49 = 49,882,917.66 : x
  2. Step 2: Convert to fraction form
    91,136,911.02/125,770,118.49 = 49,882,917.66/x
  3. Step 3: Cross multiply
    91,136,911.02x = 125,770,118.49 × 49,882,917.66
  4. Step 4: Simplify right side
    91,136,911.02x = 6,273,780,464,725,113
  5. Step 5: Solve for x
    x = 6,273,780,464,725,113/91,136,911.02
  6. Step 6: Final answer
    x = 68,839,072.93

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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.