Home / 126,373,087.80-189,559,631.70-104,832,012.60

Finding the Fourth Proportional to 126,373,087.80, 189,559,631.70 and 104,832,012.60

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Solution

The fourth proportional to 126,373,087.80, 189,559,631.70 and 104,832,012.60 is: 157,248,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,373,087.80 : 189,559,631.70 = 104,832,012.60 : x
  2. Step 2: Convert to fraction form
    126,373,087.80/189,559,631.70 = 104,832,012.60/x
  3. Step 3: Cross multiply
    126,373,087.80x = 189,559,631.70 × 104,832,012.60
  4. Step 4: Simplify right side
    126,373,087.80x = 19,871,917,698,825,756
  5. Step 5: Solve for x
    x = 19,871,917,698,825,756/126,373,087.80
  6. Step 6: Final answer
    x = 157,248,018.90

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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.