Home / 261,000,078.31-360,091,960.36-147,957,450.01

Finding the Fourth Proportional to 261,000,078.31, 360,091,960.36 and 147,957,450.01

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Solution

The fourth proportional to 261,000,078.31, 360,091,960.36 and 147,957,450.01 is: 204,131,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,000,078.31 : 360,091,960.36 = 147,957,450.01 : x
  2. Step 2: Convert to fraction form
    261,000,078.31/360,091,960.36 = 147,957,450.01/x
  3. Step 3: Cross multiply
    261,000,078.31x = 360,091,960.36 × 147,957,450.01
  4. Step 4: Simplify right side
    261,000,078.31x = 53,278,288,223,967,600
  5. Step 5: Solve for x
    x = 53,278,288,223,967,600/261,000,078.31
  6. Step 6: Final answer
    x = 204,131,311.26

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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.