Home / 78,322,906.13-117,471,328.42-23,722,510.17

Finding the Fourth Proportional to 78,322,906.13, 117,471,328.42 and 23,722,510.17

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Solution

The fourth proportional to 78,322,906.13, 117,471,328.42 and 23,722,510.17 is: 35,579,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,322,906.13 : 117,471,328.42 = 23,722,510.17 : x
  2. Step 2: Convert to fraction form
    78,322,906.13/117,471,328.42 = 23,722,510.17/x
  3. Step 3: Cross multiply
    78,322,906.13x = 117,471,328.42 × 23,722,510.17
  4. Step 4: Simplify right side
    78,322,906.13x = 2,786,714,783,008,248
  5. Step 5: Solve for x
    x = 2,786,714,783,008,248/78,322,906.13
  6. Step 6: Final answer
    x = 35,579,818.48

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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.