Home / 140,467,496,304.42-193,811,921,087.04-79,499,863,496.70

Finding the Fourth Proportional to 140,467,496,304.42, 193,811,921,087.04 and 79,499,863,496.70

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Solution

The fourth proportional to 140,467,496,304.42, 193,811,921,087.04 and 79,499,863,496.70 is: 109,691,008,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,467,496,304.42 : 193,811,921,087.04 = 79,499,863,496.70 : x
  2. Step 2: Convert to fraction form
    140,467,496,304.42/193,811,921,087.04 = 79,499,863,496.70/x
  3. Step 3: Cross multiply
    140,467,496,304.42x = 193,811,921,087.04 × 79,499,863,496.70
  4. Step 4: Simplify right side
    140,467,496,304.42x = 15,408,021,270,452,871,626,752
  5. Step 5: Solve for x
    x = 15,408,021,270,452,871,626,752/140,467,496,304.42
  6. Step 6: Final answer
    x = 109,691,008,068.24

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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.