Home / 140,467,496,225.85-193,811,920,979.02-79,499,863,418.07

Finding the Fourth Proportional to 140,467,496,225.85, 193,811,920,979.02 and 79,499,863,418.07

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Solution

The fourth proportional to 140,467,496,225.85, 193,811,920,979.02 and 79,499,863,418.07 is: 109,691,007,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,467,496,225.85 : 193,811,920,979.02 = 79,499,863,418.07 : x
  2. Step 2: Convert to fraction form
    140,467,496,225.85/193,811,920,979.02 = 79,499,863,418.07/x
  3. Step 3: Cross multiply
    140,467,496,225.85x = 193,811,920,979.02 × 79,499,863,418.07
  4. Step 4: Simplify right side
    140,467,496,225.85x = 15,408,021,246,625,865,269,248
  5. Step 5: Solve for x
    x = 15,408,021,246,625,865,269,248/140,467,496,225.85
  6. Step 6: Final answer
    x = 109,691,007,959.96

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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.