Home / 200,715,639.70-301,087,970.78-84,013,625.03

Finding the Fourth Proportional to 200,715,639.70, 301,087,970.78 and 84,013,625.03

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Solution

The fourth proportional to 200,715,639.70, 301,087,970.78 and 84,013,625.03 is: 126,026,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,715,639.70 : 301,087,970.78 = 84,013,625.03 : x
  2. Step 2: Convert to fraction form
    200,715,639.70/301,087,970.78 = 84,013,625.03/x
  3. Step 3: Cross multiply
    200,715,639.70x = 301,087,970.78 × 84,013,625.03
  4. Step 4: Simplify right side
    200,715,639.70x = 25,295,491,879,478,424
  5. Step 5: Solve for x
    x = 25,295,491,879,478,424/200,715,639.70
  6. Step 6: Final answer
    x = 126,026,511.53

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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.