Home / 127,764,154.80-191,646,232.20-79,296,735.60

Finding the Fourth Proportional to 127,764,154.80, 191,646,232.20 and 79,296,735.60

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Solution

The fourth proportional to 127,764,154.80, 191,646,232.20 and 79,296,735.60 is: 118,945,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,764,154.80 : 191,646,232.20 = 79,296,735.60 : x
  2. Step 2: Convert to fraction form
    127,764,154.80/191,646,232.20 = 79,296,735.60/x
  3. Step 3: Cross multiply
    127,764,154.80x = 191,646,232.20 × 79,296,735.60
  4. Step 4: Simplify right side
    127,764,154.80x = 15,196,920,603,499,604
  5. Step 5: Solve for x
    x = 15,196,920,603,499,604/127,764,154.80
  6. Step 6: Final answer
    x = 118,945,103.40

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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.