Home / 72,841,354.80-109,066,241.30-55,486,884.38

Finding the Fourth Proportional to 72,841,354.80, 109,066,241.30 and 55,486,884.38

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Solution

The fourth proportional to 72,841,354.80, 109,066,241.30 and 55,486,884.38 is: 83,081,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,841,354.80 : 109,066,241.30 = 55,486,884.38 : x
  2. Step 2: Convert to fraction form
    72,841,354.80/109,066,241.30 = 55,486,884.38/x
  3. Step 3: Cross multiply
    72,841,354.80x = 109,066,241.30 × 55,486,884.38
  4. Step 4: Simplify right side
    72,841,354.80x = 6,051,745,919,951,515
  5. Step 5: Solve for x
    x = 6,051,745,919,951,515/72,841,354.80
  6. Step 6: Final answer
    x = 83,081,182.89

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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.