Home / 126,400,806.40-189,601,209.60-97,702,992.40

Finding the Fourth Proportional to 126,400,806.40, 189,601,209.60 and 97,702,992.40

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Solution

The fourth proportional to 126,400,806.40, 189,601,209.60 and 97,702,992.40 is: 146,554,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400,806.40 : 189,601,209.60 = 97,702,992.40 : x
  2. Step 2: Convert to fraction form
    126,400,806.40/189,601,209.60 = 97,702,992.40/x
  3. Step 3: Cross multiply
    126,400,806.40x = 189,601,209.60 × 97,702,992.40
  4. Step 4: Simplify right side
    126,400,806.40x = 18,524,605,540,579,608
  5. Step 5: Solve for x
    x = 18,524,605,540,579,608/126,400,806.40
  6. Step 6: Final answer
    x = 146,554,488.60

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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.