Home / 113,944,180.80-157,086,796.32-72,107,434.56

Finding the Fourth Proportional to 113,944,180.80, 157,086,796.32 and 72,107,434.56

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Solution

The fourth proportional to 113,944,180.80, 157,086,796.32 and 72,107,434.56 is: 99,409,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,944,180.80 : 157,086,796.32 = 72,107,434.56 : x
  2. Step 2: Convert to fraction form
    113,944,180.80/157,086,796.32 = 72,107,434.56/x
  3. Step 3: Cross multiply
    113,944,180.80x = 157,086,796.32 × 72,107,434.56
  4. Step 4: Simplify right side
    113,944,180.80x = 11,327,125,885,884,448
  5. Step 5: Solve for x
    x = 11,327,125,885,884,448/113,944,180.80
  6. Step 6: Final answer
    x = 99,409,428.43

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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.