Home / 248,455,806.54-342,853,414.30-136,940,510.72

Finding the Fourth Proportional to 248,455,806.54, 342,853,414.30 and 136,940,510.72

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Solution

The fourth proportional to 248,455,806.54, 342,853,414.30 and 136,940,510.72 is: 188,969,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,455,806.54 : 342,853,414.30 = 136,940,510.72 : x
  2. Step 2: Convert to fraction form
    248,455,806.54/342,853,414.30 = 136,940,510.72/x
  3. Step 3: Cross multiply
    248,455,806.54x = 342,853,414.30 × 136,940,510.72
  4. Step 4: Simplify right side
    248,455,806.54x = 46,950,521,656,337,752
  5. Step 5: Solve for x
    x = 46,950,521,656,337,752/248,455,806.54
  6. Step 6: Final answer
    x = 188,969,307.30

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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.