Home / 65,880,481.98-90,915,063.33-36,516,226.21

Finding the Fourth Proportional to 65,880,481.98, 90,915,063.33 and 36,516,226.21

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Solution

The fourth proportional to 65,880,481.98, 90,915,063.33 and 36,516,226.21 is: 50,392,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,481.98 : 90,915,063.33 = 36,516,226.21 : x
  2. Step 2: Convert to fraction form
    65,880,481.98/90,915,063.33 = 36,516,226.21/x
  3. Step 3: Cross multiply
    65,880,481.98x = 90,915,063.33 × 36,516,226.21
  4. Step 4: Simplify right side
    65,880,481.98x = 3,319,875,018,454,756
  5. Step 5: Solve for x
    x = 3,319,875,018,454,756/65,880,481.98
  6. Step 6: Final answer
    x = 50,392,391.17

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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.