Home / 161,705,419.90-242,558,129.85-88,894,066.30

Finding the Fourth Proportional to 161,705,419.90, 242,558,129.85 and 88,894,066.30

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Solution

The fourth proportional to 161,705,419.90, 242,558,129.85 and 88,894,066.30 is: 133,341,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,419.90 : 242,558,129.85 = 88,894,066.30 : x
  2. Step 2: Convert to fraction form
    161,705,419.90/242,558,129.85 = 88,894,066.30/x
  3. Step 3: Cross multiply
    161,705,419.90x = 242,558,129.85 × 88,894,066.30
  4. Step 4: Simplify right side
    161,705,419.90x = 21,561,978,476,489,908
  5. Step 5: Solve for x
    x = 21,561,978,476,489,908/161,705,419.90
  6. Step 6: Final answer
    x = 133,341,099.45

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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.