Home / 90,658,673.96-125,073,456.76-55,790,829.96

Finding the Fourth Proportional to 90,658,673.96, 125,073,456.76 and 55,790,829.96

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Solution

The fourth proportional to 90,658,673.96, 125,073,456.76 and 55,790,829.96 is: 76,969,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,658,673.96 : 125,073,456.76 = 55,790,829.96 : x
  2. Step 2: Convert to fraction form
    90,658,673.96/125,073,456.76 = 55,790,829.96/x
  3. Step 3: Cross multiply
    90,658,673.96x = 125,073,456.76 × 55,790,829.96
  4. Step 4: Simplify right side
    90,658,673.96x = 6,977,951,958,606,573
  5. Step 5: Solve for x
    x = 6,977,951,958,606,573/90,658,673.96
  6. Step 6: Final answer
    x = 76,969,490.66

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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.