Home / 126,117,806.22-189,160,436.84-39,864,931.92

Finding the Fourth Proportional to 126,117,806.22, 189,160,436.84 and 39,864,931.92

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Solution

The fourth proportional to 126,117,806.22, 189,160,436.84 and 39,864,931.92 is: 59,792,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117,806.22 : 189,160,436.84 = 39,864,931.92 : x
  2. Step 2: Convert to fraction form
    126,117,806.22/189,160,436.84 = 39,864,931.92/x
  3. Step 3: Cross multiply
    126,117,806.22x = 189,160,436.84 × 39,864,931.92
  4. Step 4: Simplify right side
    126,117,806.22x = 7,540,867,936,384,736
  5. Step 5: Solve for x
    x = 7,540,867,936,384,736/126,117,806.22
  6. Step 6: Final answer
    x = 59,792,254.26

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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.