Home / 161,705,421.40-242,558,132.12-88,894,067.80

Finding the Fourth Proportional to 161,705,421.40, 242,558,132.12 and 88,894,067.80

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Solution

The fourth proportional to 161,705,421.40, 242,558,132.12 and 88,894,067.80 is: 133,341,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,421.40 : 242,558,132.12 = 88,894,067.80 : x
  2. Step 2: Convert to fraction form
    161,705,421.40/242,558,132.12 = 88,894,067.80/x
  3. Step 3: Cross multiply
    161,705,421.40x = 242,558,132.12 × 88,894,067.80
  4. Step 4: Simplify right side
    161,705,421.40x = 21,561,979,042,116,636
  5. Step 5: Solve for x
    x = 21,561,979,042,116,636/161,705,421.40
  6. Step 6: Final answer
    x = 133,341,101.71

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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.