Home / 140,467,496,224.54-193,811,920,977.23-79,499,863,416.76

Finding the Fourth Proportional to 140,467,496,224.54, 193,811,920,977.23 and 79,499,863,416.76

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Solution

The fourth proportional to 140,467,496,224.54, 193,811,920,977.23 and 79,499,863,416.76 is: 109,691,007,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,467,496,224.54 : 193,811,920,977.23 = 79,499,863,416.76 : x
  2. Step 2: Convert to fraction form
    140,467,496,224.54/193,811,920,977.23 = 79,499,863,416.76/x
  3. Step 3: Cross multiply
    140,467,496,224.54x = 193,811,920,977.23 × 79,499,863,416.76
  4. Step 4: Simplify right side
    140,467,496,224.54x = 15,408,021,246,228,700,332,032
  5. Step 5: Solve for x
    x = 15,408,021,246,228,700,332,032/140,467,496,224.54
  6. Step 6: Final answer
    x = 109,691,007,958.16

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Double scale
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1.5x scale

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.