Home / 78,019,880.37-107,669,174.64-44,528,687.64

Finding the Fourth Proportional to 78,019,880.37, 107,669,174.64 and 44,528,687.64

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Solution

The fourth proportional to 78,019,880.37, 107,669,174.64 and 44,528,687.64 is: 61,450,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,019,880.37 : 107,669,174.64 = 44,528,687.64 : x
  2. Step 2: Convert to fraction form
    78,019,880.37/107,669,174.64 = 44,528,687.64/x
  3. Step 3: Cross multiply
    78,019,880.37x = 107,669,174.64 × 44,528,687.64
  4. Step 4: Simplify right side
    78,019,880.37x = 4,794,367,046,001,170
  5. Step 5: Solve for x
    x = 4,794,367,046,001,170/78,019,880.37
  6. Step 6: Final answer
    x = 61,450,581.87

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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.