Home / 91,136,888.72-125,770,087.41-49,882,895.36

Finding the Fourth Proportional to 91,136,888.72, 125,770,087.41 and 49,882,895.36

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Solution

The fourth proportional to 91,136,888.72, 125,770,087.41 and 49,882,895.36 is: 68,839,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,136,888.72 : 125,770,087.41 = 49,882,895.36 : x
  2. Step 2: Convert to fraction form
    91,136,888.72/125,770,087.41 = 49,882,895.36/x
  3. Step 3: Cross multiply
    91,136,888.72x = 125,770,087.41 × 49,882,895.36
  4. Step 4: Simplify right side
    91,136,888.72x = 6,273,776,109,627,152
  5. Step 5: Solve for x
    x = 6,273,776,109,627,152/91,136,888.72
  6. Step 6: Final answer
    x = 68,839,041.99

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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.