Home / 147,517,282.42-203,568,502.75-81,436,358.45

Finding the Fourth Proportional to 147,517,282.42, 203,568,502.75 and 81,436,358.45

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Solution

The fourth proportional to 147,517,282.42, 203,568,502.75 and 81,436,358.45 is: 112,379,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,517,282.42 : 203,568,502.75 = 81,436,358.45 : x
  2. Step 2: Convert to fraction form
    147,517,282.42/203,568,502.75 = 81,436,358.45/x
  3. Step 3: Cross multiply
    147,517,282.42x = 203,568,502.75 × 81,436,358.45
  4. Step 4: Simplify right side
    147,517,282.42x = 16,577,877,559,078,812
  5. Step 5: Solve for x
    x = 16,577,877,559,078,812/147,517,282.42
  6. Step 6: Final answer
    x = 112,379,222.88

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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.