Home / 161,715,577.20-242,573,365.80-157,464,049.20

Finding the Fourth Proportional to 161,715,577.20, 242,573,365.80 and 157,464,049.20

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Solution

The fourth proportional to 161,715,577.20, 242,573,365.80 and 157,464,049.20 is: 236,196,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715,577.20 : 242,573,365.80 = 157,464,049.20 : x
  2. Step 2: Convert to fraction form
    161,715,577.20/242,573,365.80 = 157,464,049.20/x
  3. Step 3: Cross multiply
    161,715,577.20x = 242,573,365.80 × 157,464,049.20
  4. Step 4: Simplify right side
    161,715,577.20x = 38,196,584,406,940,800
  5. Step 5: Solve for x
    x = 38,196,584,406,940,800/161,715,577.20
  6. Step 6: Final answer
    x = 236,196,073.80

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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.