Home / 257,472,853.20-355,310,059.14-139,998,227.04

Finding the Fourth Proportional to 257,472,853.20, 355,310,059.14 and 139,998,227.04

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Solution

The fourth proportional to 257,472,853.20, 355,310,059.14 and 139,998,227.04 is: 193,196,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,853.20 : 355,310,059.14 = 139,998,227.04 : x
  2. Step 2: Convert to fraction form
    257,472,853.20/355,310,059.14 = 139,998,227.04/x
  3. Step 3: Cross multiply
    257,472,853.20x = 355,310,059.14 × 139,998,227.04
  4. Step 4: Simplify right side
    257,472,853.20x = 49,742,778,329,077,544
  5. Step 5: Solve for x
    x = 49,742,778,329,077,544/257,472,853.20
  6. Step 6: Final answer
    x = 193,196,205.78

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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.