Home / 148,020,232.82-204,269,537.41-81,941,834.81

Finding the Fourth Proportional to 148,020,232.82, 204,269,537.41 and 81,941,834.81

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Solution

The fourth proportional to 148,020,232.82, 204,269,537.41 and 81,941,834.81 is: 113,080,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020,232.82 : 204,269,537.41 = 81,941,834.81 : x
  2. Step 2: Convert to fraction form
    148,020,232.82/204,269,537.41 = 81,941,834.81/x
  3. Step 3: Cross multiply
    148,020,232.82x = 204,269,537.41 × 81,941,834.81
  4. Step 4: Simplify right side
    148,020,232.82x = 16,738,220,691,471,154
  5. Step 5: Solve for x
    x = 16,738,220,691,471,154/148,020,232.82
  6. Step 6: Final answer
    x = 113,080,626.70

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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.