Home / 257,511,803.92-355,361,362.12-141,618,299.92

Finding the Fourth Proportional to 257,511,803.92, 355,361,362.12 and 141,618,299.92

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Solution

The fourth proportional to 257,511,803.92, 355,361,362.12 and 141,618,299.92 is: 195,430,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,511,803.92 : 355,361,362.12 = 141,618,299.92 : x
  2. Step 2: Convert to fraction form
    257,511,803.92/355,361,362.12 = 141,618,299.92/x
  3. Step 3: Cross multiply
    257,511,803.92x = 355,361,362.12 × 141,618,299.92
  4. Step 4: Simplify right side
    257,511,803.92x = 50,325,671,960,689,880
  5. Step 5: Solve for x
    x = 50,325,671,960,689,880/257,511,803.92
  6. Step 6: Final answer
    x = 195,430,544.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.