Home / 189,360,014.40-284,040,021.60-108,738,446.40

Finding the Fourth Proportional to 189,360,014.40, 284,040,021.60 and 108,738,446.40

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Solution

The fourth proportional to 189,360,014.40, 284,040,021.60 and 108,738,446.40 is: 163,107,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,360,014.40 : 284,040,021.60 = 108,738,446.40 : x
  2. Step 2: Convert to fraction form
    189,360,014.40/284,040,021.60 = 108,738,446.40/x
  3. Step 3: Cross multiply
    189,360,014.40x = 284,040,021.60 × 108,738,446.40
  4. Step 4: Simplify right side
    189,360,014.40x = 30,886,070,664,206,448
  5. Step 5: Solve for x
    x = 30,886,070,664,206,448/189,360,014.40
  6. Step 6: Final answer
    x = 163,107,669.60

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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.