Home / 80,637,471.81-120,922,576.32-25,291,047.15

Finding the Fourth Proportional to 80,637,471.81, 120,922,576.32 and 25,291,047.15

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Solution

The fourth proportional to 80,637,471.81, 120,922,576.32 and 25,291,047.15 is: 37,926,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637,471.81 : 120,922,576.32 = 25,291,047.15 : x
  2. Step 2: Convert to fraction form
    80,637,471.81/120,922,576.32 = 25,291,047.15/x
  3. Step 3: Cross multiply
    80,637,471.81x = 120,922,576.32 × 25,291,047.15
  4. Step 4: Simplify right side
    80,637,471.81x = 3,058,258,579,208,593
  5. Step 5: Solve for x
    x = 3,058,258,579,208,593/80,637,471.81
  6. Step 6: Final answer
    x = 37,926,022.61

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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.