Home / 122,867,457,439.50-169,550,251,806.92-67,931,454,409.28

Finding the Fourth Proportional to 122,867,457,439.50, 169,550,251,806.92 and 67,931,454,409.28

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Solution

The fourth proportional to 122,867,457,439.50, 169,550,251,806.92 and 67,931,454,409.28 is: 93,741,625,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,867,457,439.50 : 169,550,251,806.92 = 67,931,454,409.28 : x
  2. Step 2: Convert to fraction form
    122,867,457,439.50/169,550,251,806.92 = 67,931,454,409.28/x
  3. Step 3: Cross multiply
    122,867,457,439.50x = 169,550,251,806.92 × 67,931,454,409.28
  4. Step 4: Simplify right side
    122,867,457,439.50x = 11,517,795,200,703,731,335,168
  5. Step 5: Solve for x
    x = 11,517,795,200,703,731,335,168/122,867,457,439.50
  6. Step 6: Final answer
    x = 93,741,625,656.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.