Home / 91,611,136.91-126,424,215.56-49,795,300.53

Finding the Fourth Proportional to 91,611,136.91, 126,424,215.56 and 49,795,300.53

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Solution

The fourth proportional to 91,611,136.91, 126,424,215.56 and 49,795,300.53 is: 68,717,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,136.91 : 126,424,215.56 = 49,795,300.53 : x
  2. Step 2: Convert to fraction form
    91,611,136.91/126,424,215.56 = 49,795,300.53/x
  3. Step 3: Cross multiply
    91,611,136.91x = 126,424,215.56 × 49,795,300.53
  4. Step 4: Simplify right side
    91,611,136.91x = 6,295,331,808,204,191
  5. Step 5: Solve for x
    x = 6,295,331,808,204,191/91,611,136.91
  6. Step 6: Final answer
    x = 68,717,974.91

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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.