Home / 257,325,585.21-355,112,050.05-139,850,921.52

Finding the Fourth Proportional to 257,325,585.21, 355,112,050.05 and 139,850,921.52

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Solution

The fourth proportional to 257,325,585.21, 355,112,050.05 and 139,850,921.52 is: 192,995,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,585.21 : 355,112,050.05 = 139,850,921.52 : x
  2. Step 2: Convert to fraction form
    257,325,585.21/355,112,050.05 = 139,850,921.52/x
  3. Step 3: Cross multiply
    257,325,585.21x = 355,112,050.05 × 139,850,921.52
  4. Step 4: Simplify right side
    257,325,585.21x = 49,662,747,442,348,864
  5. Step 5: Solve for x
    x = 49,662,747,442,348,864/257,325,585.21
  6. Step 6: Final answer
    x = 192,995,762.17

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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.