Home / 126,015,963.99-189,051,708.24-38,578,142.33

Finding the Fourth Proportional to 126,015,963.99, 189,051,708.24 and 38,578,142.33

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Solution

The fourth proportional to 126,015,963.99, 189,051,708.24 and 38,578,142.33 is: 57,875,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015,963.99 : 189,051,708.24 = 38,578,142.33 : x
  2. Step 2: Convert to fraction form
    126,015,963.99/189,051,708.24 = 38,578,142.33/x
  3. Step 3: Cross multiply
    126,015,963.99x = 189,051,708.24 × 38,578,142.33
  4. Step 4: Simplify right side
    126,015,963.99x = 7,293,263,708,212,354
  5. Step 5: Solve for x
    x = 7,293,263,708,212,354/126,015,963.99
  6. Step 6: Final answer
    x = 57,875,712.55

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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.