Home / 342,083,055.32-472,056,434.91-193,395,286.64

Finding the Fourth Proportional to 342,083,055.32, 472,056,434.91 and 193,395,286.64

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Solution

The fourth proportional to 342,083,055.32, 472,056,434.91 and 193,395,286.64 is: 266,875,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,083,055.32 : 472,056,434.91 = 193,395,286.64 : x
  2. Step 2: Convert to fraction form
    342,083,055.32/472,056,434.91 = 193,395,286.64/x
  3. Step 3: Cross multiply
    342,083,055.32x = 472,056,434.91 × 193,395,286.64
  4. Step 4: Simplify right side
    342,083,055.32x = 91,293,489,539,675,952
  5. Step 5: Solve for x
    x = 91,293,489,539,675,952/342,083,055.32
  6. Step 6: Final answer
    x = 266,875,216.76

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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.