Home / 66,269,032.20-99,344,450.70-25,870,120.20

Finding the Fourth Proportional to 66,269,032.20, 99,344,450.70 and 25,870,120.20

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Solution

The fourth proportional to 66,269,032.20, 99,344,450.70 and 25,870,120.20 is: 38,782,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269,032.20 : 99,344,450.70 = 25,870,120.20 : x
  2. Step 2: Convert to fraction form
    66,269,032.20/99,344,450.70 = 25,870,120.20/x
  3. Step 3: Cross multiply
    66,269,032.20x = 99,344,450.70 × 25,870,120.20
  4. Step 4: Simplify right side
    66,269,032.20x = 2,570,052,880,811,974
  5. Step 5: Solve for x
    x = 2,570,052,880,811,974/66,269,032.20
  6. Step 6: Final answer
    x = 38,782,109.77

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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.