Home / 91,367,624.75-137,041,721.71-25,787,141.05

Finding the Fourth Proportional to 91,367,624.75, 137,041,721.71 and 25,787,141.05

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Solution

The fourth proportional to 91,367,624.75, 137,041,721.71 and 25,787,141.05 is: 38,677,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,367,624.75 : 137,041,721.71 = 25,787,141.05 : x
  2. Step 2: Convert to fraction form
    91,367,624.75/137,041,721.71 = 25,787,141.05/x
  3. Step 3: Cross multiply
    91,367,624.75x = 137,041,721.71 × 25,787,141.05
  4. Step 4: Simplify right side
    91,367,624.75x = 3,533,914,207,160,247
  5. Step 5: Solve for x
    x = 3,533,914,207,160,247/91,367,624.75
  6. Step 6: Final answer
    x = 38,677,969.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.