Home / 110,717,138.70-166,075,708.05-79,946,704.80

Finding the Fourth Proportional to 110,717,138.70, 166,075,708.05 and 79,946,704.80

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Solution

The fourth proportional to 110,717,138.70, 166,075,708.05 and 79,946,704.80 is: 119,920,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,138.70 : 166,075,708.05 = 79,946,704.80 : x
  2. Step 2: Convert to fraction form
    110,717,138.70/166,075,708.05 = 79,946,704.80/x
  3. Step 3: Cross multiply
    110,717,138.70x = 166,075,708.05 × 79,946,704.80
  4. Step 4: Simplify right side
    110,717,138.70x = 13,277,205,605,924,334
  5. Step 5: Solve for x
    x = 13,277,205,605,924,334/110,717,138.70
  6. Step 6: Final answer
    x = 119,920,057.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.