Home / 126,374,629.40-189,561,944.10-112,025,722.40

Finding the Fourth Proportional to 126,374,629.40, 189,561,944.10 and 112,025,722.40

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Solution

The fourth proportional to 126,374,629.40, 189,561,944.10 and 112,025,722.40 is: 168,038,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,374,629.40 : 189,561,944.10 = 112,025,722.40 : x
  2. Step 2: Convert to fraction form
    126,374,629.40/189,561,944.10 = 112,025,722.40/x
  3. Step 3: Cross multiply
    126,374,629.40x = 189,561,944.10 × 112,025,722.40
  4. Step 4: Simplify right side
    126,374,629.40x = 21,235,813,727,350,920
  5. Step 5: Solve for x
    x = 21,235,813,727,350,920/126,374,629.40
  6. Step 6: Final answer
    x = 168,038,583.60

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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.