Home / 292,196,291.82-403,237,410.09-166,745,990.56

Finding the Fourth Proportional to 292,196,291.82, 403,237,410.09 and 166,745,990.56

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Solution

The fourth proportional to 292,196,291.82, 403,237,410.09 and 166,745,990.56 is: 230,113,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,196,291.82 : 403,237,410.09 = 166,745,990.56 : x
  2. Step 2: Convert to fraction form
    292,196,291.82/403,237,410.09 = 166,745,990.56/x
  3. Step 3: Cross multiply
    292,196,291.82x = 403,237,410.09 × 166,745,990.56
  4. Step 4: Simplify right side
    292,196,291.82x = 67,238,221,376,305,984
  5. Step 5: Solve for x
    x = 67,238,221,376,305,984/292,196,291.82
  6. Step 6: Final answer
    x = 230,113,191.91

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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.