Home / 248,455,795.55-342,853,399.13-136,940,499.72

Finding the Fourth Proportional to 248,455,795.55, 342,853,399.13 and 136,940,499.72

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Solution

The fourth proportional to 248,455,795.55, 342,853,399.13 and 136,940,499.72 is: 188,969,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,455,795.55 : 342,853,399.13 = 136,940,499.72 : x
  2. Step 2: Convert to fraction form
    248,455,795.55/342,853,399.13 = 136,940,499.72/x
  3. Step 3: Cross multiply
    248,455,795.55x = 342,853,399.13 × 136,940,499.72
  4. Step 4: Simplify right side
    248,455,795.55x = 46,950,515,806,878,112
  5. Step 5: Solve for x
    x = 46,950,515,806,878,112/248,455,795.55
  6. Step 6: Final answer
    x = 188,969,292.12

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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.