Home / 131,419,998.87-181,415,442.47-81,884,846.48

Finding the Fourth Proportional to 131,419,998.87, 181,415,442.47 and 81,884,846.48

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Solution

The fourth proportional to 131,419,998.87, 181,415,442.47 and 81,884,846.48 is: 113,035,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,419,998.87 : 181,415,442.47 = 81,884,846.48 : x
  2. Step 2: Convert to fraction form
    131,419,998.87/181,415,442.47 = 81,884,846.48/x
  3. Step 3: Cross multiply
    131,419,998.87x = 181,415,442.47 × 81,884,846.48
  4. Step 4: Simplify right side
    131,419,998.87x = 14,855,175,655,921,376
  5. Step 5: Solve for x
    x = 14,855,175,655,921,376/131,419,998.87
  6. Step 6: Final answer
    x = 113,035,883.30

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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.