Home / 78,903,772,007.32-118,375,392,190.83-23,006,259,578.92

Finding the Fourth Proportional to 78,903,772,007.32, 118,375,392,190.83 and 23,006,259,578.92

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Solution

The fourth proportional to 78,903,772,007.32, 118,375,392,190.83 and 23,006,259,578.92 is: 34,515,143,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,772,007.32 : 118,375,392,190.83 = 23,006,259,578.92 : x
  2. Step 2: Convert to fraction form
    78,903,772,007.32/118,375,392,190.83 = 23,006,259,578.92/x
  3. Step 3: Cross multiply
    78,903,772,007.32x = 118,375,392,190.83 × 23,006,259,578.92
  4. Step 4: Simplify right side
    78,903,772,007.32x = 2,723,375,000,498,694,258,688
  5. Step 5: Solve for x
    x = 2,723,375,000,498,694,258,688/78,903,772,007.32
  6. Step 6: Final answer
    x = 34,515,143,334.92

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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.