Home / 91,078,581.87-136,585,906.77-25,482,092.67

Finding the Fourth Proportional to 91,078,581.87, 136,585,906.77 and 25,482,092.67

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Solution

The fourth proportional to 91,078,581.87, 136,585,906.77 and 25,482,092.67 is: 38,214,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,078,581.87 : 136,585,906.77 = 25,482,092.67 : x
  2. Step 2: Convert to fraction form
    91,078,581.87/136,585,906.77 = 25,482,092.67/x
  3. Step 3: Cross multiply
    91,078,581.87x = 136,585,906.77 × 25,482,092.67
  4. Step 4: Simplify right side
    91,078,581.87x = 3,480,494,733,729,121
  5. Step 5: Solve for x
    x = 3,480,494,733,729,121/91,078,581.87
  6. Step 6: Final answer
    x = 38,214,195.50

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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.