Home / 126,117,007.80-189,175,511.70-123,282,655.80

Finding the Fourth Proportional to 126,117,007.80, 189,175,511.70 and 123,282,655.80

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Solution

The fourth proportional to 126,117,007.80, 189,175,511.70 and 123,282,655.80 is: 184,923,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117,007.80 : 189,175,511.70 = 123,282,655.80 : x
  2. Step 2: Convert to fraction form
    126,117,007.80/189,175,511.70 = 123,282,655.80/x
  3. Step 3: Cross multiply
    126,117,007.80x = 189,175,511.70 × 123,282,655.80
  4. Step 4: Simplify right side
    126,117,007.80x = 23,322,059,494,699,972
  5. Step 5: Solve for x
    x = 23,322,059,494,699,972/126,117,007.80
  6. Step 6: Final answer
    x = 184,923,983.70

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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.