Home / 85,135,442.67-117,486,902.66-45,977,214.96

Finding the Fourth Proportional to 85,135,442.67, 117,486,902.66 and 45,977,214.96

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Solution

The fourth proportional to 85,135,442.67, 117,486,902.66 and 45,977,214.96 is: 63,448,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,135,442.67 : 117,486,902.66 = 45,977,214.96 : x
  2. Step 2: Convert to fraction form
    85,135,442.67/117,486,902.66 = 45,977,214.96/x
  3. Step 3: Cross multiply
    85,135,442.67x = 117,486,902.66 × 45,977,214.96
  4. Step 4: Simplify right side
    85,135,442.67x = 5,401,720,578,353,530
  5. Step 5: Solve for x
    x = 5,401,720,578,353,530/85,135,442.67
  6. Step 6: Final answer
    x = 63,448,552.20

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Why These Related Problems?

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