Home / 91,156,387.80-125,795,811.56-49,903,280.18

Finding the Fourth Proportional to 91,156,387.80, 125,795,811.56 and 49,903,280.18

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Solution

The fourth proportional to 91,156,387.80, 125,795,811.56 and 49,903,280.18 is: 68,866,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156,387.80 : 125,795,811.56 = 49,903,280.18 : x
  2. Step 2: Convert to fraction form
    91,156,387.80/125,795,811.56 = 49,903,280.18/x
  3. Step 3: Cross multiply
    91,156,387.80x = 125,795,811.56 × 49,903,280.18
  4. Step 4: Simplify right side
    91,156,387.80x = 6,277,623,629,623,357
  5. Step 5: Solve for x
    x = 6,277,623,629,623,357/91,156,387.80
  6. Step 6: Final answer
    x = 68,866,524.67

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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.