Home / 118,286,248,146.43-163,291,309,785.61-79,246,018,920.55

Finding the Fourth Proportional to 118,286,248,146.43, 163,291,309,785.61 and 79,246,018,920.55

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Solution

The fourth proportional to 118,286,248,146.43, 163,291,309,785.61 and 79,246,018,920.55 is: 109,397,215,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,286,248,146.43 : 163,291,309,785.61 = 79,246,018,920.55 : x
  2. Step 2: Convert to fraction form
    118,286,248,146.43/163,291,309,785.61 = 79,246,018,920.55/x
  3. Step 3: Cross multiply
    118,286,248,146.43x = 163,291,309,785.61 × 79,246,018,920.55
  4. Step 4: Simplify right side
    118,286,248,146.43x = 12,940,186,224,831,840,124,928
  5. Step 5: Solve for x
    x = 12,940,186,224,831,840,124,928/118,286,248,146.43
  6. Step 6: Final answer
    x = 109,397,215,886.10

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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.