Home / 257,325,553.92-355,112,007.35-139,850,892.66

Finding the Fourth Proportional to 257,325,553.92, 355,112,007.35 and 139,850,892.66

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Solution

The fourth proportional to 257,325,553.92, 355,112,007.35 and 139,850,892.66 is: 192,995,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,553.92 : 355,112,007.35 = 139,850,892.66 : x
  2. Step 2: Convert to fraction form
    257,325,553.92/355,112,007.35 = 139,850,892.66/x
  3. Step 3: Cross multiply
    257,325,553.92x = 355,112,007.35 × 139,850,892.66
  4. Step 4: Simplify right side
    257,325,553.92x = 49,662,731,221,482,728
  5. Step 5: Solve for x
    x = 49,662,731,221,482,728/257,325,553.92
  6. Step 6: Final answer
    x = 192,995,722.60

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1.5x scale

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.