Home / 137,990,952,003.60-206,986,428,005.40-114,435,786,272.40

Finding the Fourth Proportional to 137,990,952,003.60, 206,986,428,005.40 and 114,435,786,272.40

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Solution

The fourth proportional to 137,990,952,003.60, 206,986,428,005.40 and 114,435,786,272.40 is: 171,653,679,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,990,952,003.60 : 206,986,428,005.40 = 114,435,786,272.40 : x
  2. Step 2: Convert to fraction form
    137,990,952,003.60/206,986,428,005.40 = 114,435,786,272.40/x
  3. Step 3: Cross multiply
    137,990,952,003.60x = 206,986,428,005.40 × 114,435,786,272.40
  4. Step 4: Simplify right side
    137,990,952,003.60x = 23,686,654,636,513,462,059,008
  5. Step 5: Solve for x
    x = 23,686,654,636,513,462,059,008/137,990,952,003.60
  6. Step 6: Final answer
    x = 171,653,679,408.60

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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.