Home / 71,445,054.36-107,032,359.04-42,211,469.64

Finding the Fourth Proportional to 71,445,054.36, 107,032,359.04 and 42,211,469.64

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Solution

The fourth proportional to 71,445,054.36, 107,032,359.04 and 42,211,469.64 is: 63,237,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445,054.36 : 107,032,359.04 = 42,211,469.64 : x
  2. Step 2: Convert to fraction form
    71,445,054.36/107,032,359.04 = 42,211,469.64/x
  3. Step 3: Cross multiply
    71,445,054.36x = 107,032,359.04 × 42,211,469.64
  4. Step 4: Simplify right side
    71,445,054.36x = 4,517,993,174,114,540
  5. Step 5: Solve for x
    x = 4,517,993,174,114,540/71,445,054.36
  6. Step 6: Final answer
    x = 63,237,311.73

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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.