Home / 109,258,859.75-164,004,957.52-47,040,985.94

Finding the Fourth Proportional to 109,258,859.75, 164,004,957.52 and 47,040,985.94

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Solution

The fourth proportional to 109,258,859.75, 164,004,957.52 and 47,040,985.94 is: 70,611,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,258,859.75 : 164,004,957.52 = 47,040,985.94 : x
  2. Step 2: Convert to fraction form
    109,258,859.75/164,004,957.52 = 47,040,985.94/x
  3. Step 3: Cross multiply
    109,258,859.75x = 164,004,957.52 × 47,040,985.94
  4. Step 4: Simplify right side
    109,258,859.75x = 7,714,954,900,115,360
  5. Step 5: Solve for x
    x = 7,714,954,900,115,360/109,258,859.75
  6. Step 6: Final answer
    x = 70,611,709.82

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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.