Home / 126,117,002.30-189,175,503.45-123,282,650.30

Finding the Fourth Proportional to 126,117,002.30, 189,175,503.45 and 123,282,650.30

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Solution

The fourth proportional to 126,117,002.30, 189,175,503.45 and 123,282,650.30 is: 184,923,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117,002.30 : 189,175,503.45 = 123,282,650.30 : x
  2. Step 2: Convert to fraction form
    126,117,002.30/189,175,503.45 = 123,282,650.30/x
  3. Step 3: Cross multiply
    126,117,002.30x = 189,175,503.45 × 123,282,650.30
  4. Step 4: Simplify right side
    126,117,002.30x = 23,322,057,437,152,792
  5. Step 5: Solve for x
    x = 23,322,057,437,152,792/126,117,002.30
  6. Step 6: Final answer
    x = 184,923,975.45

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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.