Home / 114,936,679.90-172,489,000.65-80,924,455.90

Finding the Fourth Proportional to 114,936,679.90, 172,489,000.65 and 80,924,455.90

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Solution

The fourth proportional to 114,936,679.90, 172,489,000.65 and 80,924,455.90 is: 121,445,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,936,679.90 : 172,489,000.65 = 80,924,455.90 : x
  2. Step 2: Convert to fraction form
    114,936,679.90/172,489,000.65 = 80,924,455.90/x
  3. Step 3: Cross multiply
    114,936,679.90x = 172,489,000.65 × 80,924,455.90
  4. Step 4: Simplify right side
    114,936,679.90x = 13,958,578,526,335,998
  5. Step 5: Solve for x
    x = 13,958,578,526,335,998/114,936,679.90
  6. Step 6: Final answer
    x = 121,445,812.93

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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.