Home / 137,990,952,003.10-206,986,428,004.65-114,435,786,271.90

Finding the Fourth Proportional to 137,990,952,003.10, 206,986,428,004.65 and 114,435,786,271.90

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Solution

The fourth proportional to 137,990,952,003.10, 206,986,428,004.65 and 114,435,786,271.90 is: 171,653,679,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,990,952,003.10 : 206,986,428,004.65 = 114,435,786,271.90 : x
  2. Step 2: Convert to fraction form
    137,990,952,003.10/206,986,428,004.65 = 114,435,786,271.90/x
  3. Step 3: Cross multiply
    137,990,952,003.10x = 206,986,428,004.65 × 114,435,786,271.90
  4. Step 4: Simplify right side
    137,990,952,003.10x = 23,686,654,636,324,143,759,360
  5. Step 5: Solve for x
    x = 23,686,654,636,324,143,759,360/137,990,952,003.10
  6. Step 6: Final answer
    x = 171,653,679,407.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.