Home / 91,228,900.56-125,894,880.09-49,411,926.42

Finding the Fourth Proportional to 91,228,900.56, 125,894,880.09 and 49,411,926.42

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Solution

The fourth proportional to 91,228,900.56, 125,894,880.09 and 49,411,926.42 is: 68,187,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,228,900.56 : 125,894,880.09 = 49,411,926.42 : x
  2. Step 2: Convert to fraction form
    91,228,900.56/125,894,880.09 = 49,411,926.42/x
  3. Step 3: Cross multiply
    91,228,900.56x = 125,894,880.09 × 49,411,926.42
  4. Step 4: Simplify right side
    91,228,900.56x = 6,220,708,551,661,803
  5. Step 5: Solve for x
    x = 6,220,708,551,661,803/91,228,900.56
  6. Step 6: Final answer
    x = 68,187,915.38

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1.5x scale

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.