Home / 131,918,972.72-182,070,005.92-73,200,554.88

Finding the Fourth Proportional to 131,918,972.72, 182,070,005.92 and 73,200,554.88

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Solution

The fourth proportional to 131,918,972.72, 182,070,005.92 and 73,200,554.88 is: 101,028,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,918,972.72 : 182,070,005.92 = 73,200,554.88 : x
  2. Step 2: Convert to fraction form
    131,918,972.72/182,070,005.92 = 73,200,554.88/x
  3. Step 3: Cross multiply
    131,918,972.72x = 182,070,005.92 × 73,200,554.88
  4. Step 4: Simplify right side
    131,918,972.72x = 13,327,625,460,348,884
  5. Step 5: Solve for x
    x = 13,327,625,460,348,884/131,918,972.72
  6. Step 6: Final answer
    x = 101,028,875.42

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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.