Home / 362,439,108.36-543,436,161.75-140,851,713.69

Finding the Fourth Proportional to 362,439,108.36, 543,436,161.75 and 140,851,713.69

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Solution

The fourth proportional to 362,439,108.36, 543,436,161.75 and 140,851,713.69 is: 211,191,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,439,108.36 : 543,436,161.75 = 140,851,713.69 : x
  2. Step 2: Convert to fraction form
    362,439,108.36/543,436,161.75 = 140,851,713.69/x
  3. Step 3: Cross multiply
    362,439,108.36x = 543,436,161.75 × 140,851,713.69
  4. Step 4: Simplify right side
    362,439,108.36x = 76,543,914,663,603,536
  5. Step 5: Solve for x
    x = 76,543,914,663,603,536/362,439,108.36
  6. Step 6: Final answer
    x = 211,191,101.89

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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.