Home / 217,188,242.80-299,438,455.28-140,670,362.32

Finding the Fourth Proportional to 217,188,242.80, 299,438,455.28 and 140,670,362.32

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Solution

The fourth proportional to 217,188,242.80, 299,438,455.28 and 140,670,362.32 is: 193,942,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,188,242.80 : 299,438,455.28 = 140,670,362.32 : x
  2. Step 2: Convert to fraction form
    217,188,242.80/299,438,455.28 = 140,670,362.32/x
  3. Step 3: Cross multiply
    217,188,242.80x = 299,438,455.28 × 140,670,362.32
  4. Step 4: Simplify right side
    217,188,242.80x = 42,122,115,996,778,712
  5. Step 5: Solve for x
    x = 42,122,115,996,778,712/217,188,242.80
  6. Step 6: Final answer
    x = 193,942,892.37

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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.