Home / 126,039,134.40-189,058,701.60-107,899,281.60

Finding the Fourth Proportional to 126,039,134.40, 189,058,701.60 and 107,899,281.60

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Solution

The fourth proportional to 126,039,134.40, 189,058,701.60 and 107,899,281.60 is: 161,848,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039,134.40 : 189,058,701.60 = 107,899,281.60 : x
  2. Step 2: Convert to fraction form
    126,039,134.40/189,058,701.60 = 107,899,281.60/x
  3. Step 3: Cross multiply
    126,039,134.40x = 189,058,701.60 × 107,899,281.60
  4. Step 4: Simplify right side
    126,039,134.40x = 20,399,298,082,868,768
  5. Step 5: Solve for x
    x = 20,399,298,082,868,768/126,039,134.40
  6. Step 6: Final answer
    x = 161,848,922.40

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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.