Home / 238,021,795.76-328,452,067.56-133,579,688.96

Finding the Fourth Proportional to 238,021,795.76, 328,452,067.56 and 133,579,688.96

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Solution

The fourth proportional to 238,021,795.76, 328,452,067.56 and 133,579,688.96 is: 184,329,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,021,795.76 : 328,452,067.56 = 133,579,688.96 : x
  2. Step 2: Convert to fraction form
    238,021,795.76/328,452,067.56 = 133,579,688.96/x
  3. Step 3: Cross multiply
    238,021,795.76x = 328,452,067.56 × 133,579,688.96
  4. Step 4: Simplify right side
    238,021,795.76x = 43,874,525,022,933,704
  5. Step 5: Solve for x
    x = 43,874,525,022,933,704/238,021,795.76
  6. Step 6: Final answer
    x = 184,329,863.08

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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.