Home / 118,286,248,146.18-163,291,309,785.27-79,246,018,920.30

Finding the Fourth Proportional to 118,286,248,146.18, 163,291,309,785.27 and 79,246,018,920.30

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Solution

The fourth proportional to 118,286,248,146.18, 163,291,309,785.27 and 79,246,018,920.30 is: 109,397,215,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,286,248,146.18 : 163,291,309,785.27 = 79,246,018,920.30 : x
  2. Step 2: Convert to fraction form
    118,286,248,146.18/163,291,309,785.27 = 79,246,018,920.30/x
  3. Step 3: Cross multiply
    118,286,248,146.18x = 163,291,309,785.27 × 79,246,018,920.30
  4. Step 4: Simplify right side
    118,286,248,146.18x = 12,940,186,224,764,074,852,352
  5. Step 5: Solve for x
    x = 12,940,186,224,764,074,852,352/118,286,248,146.18
  6. Step 6: Final answer
    x = 109,397,215,885.76

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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.