Home / 85,092,907.85-117,431,345.06-47,419,457.24

Finding the Fourth Proportional to 85,092,907.85, 117,431,345.06 and 47,419,457.24

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Solution

The fourth proportional to 85,092,907.85, 117,431,345.06 and 47,419,457.24 is: 65,440,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092,907.85 : 117,431,345.06 = 47,419,457.24 : x
  2. Step 2: Convert to fraction form
    85,092,907.85/117,431,345.06 = 47,419,457.24/x
  3. Step 3: Cross multiply
    85,092,907.85x = 117,431,345.06 × 47,419,457.24
  4. Step 4: Simplify right side
    85,092,907.85x = 5,568,530,644,884,101
  5. Step 5: Solve for x
    x = 5,568,530,644,884,101/85,092,907.85
  6. Step 6: Final answer
    x = 65,440,596.47

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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.