Home / 85,072,902.12-117,401,083.02-48,403,473.12

Finding the Fourth Proportional to 85,072,902.12, 117,401,083.02 and 48,403,473.12

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Solution

The fourth proportional to 85,072,902.12, 117,401,083.02 and 48,403,473.12 is: 66,797,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072,902.12 : 117,401,083.02 = 48,403,473.12 : x
  2. Step 2: Convert to fraction form
    85,072,902.12/117,401,083.02 = 48,403,473.12/x
  3. Step 3: Cross multiply
    85,072,902.12x = 117,401,083.02 × 48,403,473.12
  4. Step 4: Simplify right side
    85,072,902.12x = 5,682,620,166,217,458
  5. Step 5: Solve for x
    x = 5,682,620,166,217,458/85,072,902.12
  6. Step 6: Final answer
    x = 66,797,064.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.