Home / 131,702,162.79-181,741,826.73-72,961,324.47

Finding the Fourth Proportional to 131,702,162.79, 181,741,826.73 and 72,961,324.47

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Solution

The fourth proportional to 131,702,162.79, 181,741,826.73 and 72,961,324.47 is: 100,682,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,702,162.79 : 181,741,826.73 = 72,961,324.47 : x
  2. Step 2: Convert to fraction form
    131,702,162.79/181,741,826.73 = 72,961,324.47/x
  3. Step 3: Cross multiply
    131,702,162.79x = 181,741,826.73 × 72,961,324.47
  4. Step 4: Simplify right side
    131,702,162.79x = 13,260,124,389,818,048
  5. Step 5: Solve for x
    x = 13,260,124,389,818,048/131,702,162.79
  6. Step 6: Final answer
    x = 100,682,662.37

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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.