Home / 126,372,216.30-189,558,324.45-105,964,881.90

Finding the Fourth Proportional to 126,372,216.30, 189,558,324.45 and 105,964,881.90

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Solution

The fourth proportional to 126,372,216.30, 189,558,324.45 and 105,964,881.90 is: 158,947,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,216.30 : 189,558,324.45 = 105,964,881.90 : x
  2. Step 2: Convert to fraction form
    126,372,216.30/189,558,324.45 = 105,964,881.90/x
  3. Step 3: Cross multiply
    126,372,216.30x = 189,558,324.45 × 105,964,881.90
  4. Step 4: Simplify right side
    126,372,216.30x = 20,086,525,463,506,132
  5. Step 5: Solve for x
    x = 20,086,525,463,506,132/126,372,216.30
  6. Step 6: Final answer
    x = 158,947,322.85

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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.