Home / 90,456,609.56-135,630,982.92-61,346,239.88

Finding the Fourth Proportional to 90,456,609.56, 135,630,982.92 and 61,346,239.88

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Solution

The fourth proportional to 90,456,609.56, 135,630,982.92 and 61,346,239.88 is: 91,982,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,456,609.56 : 135,630,982.92 = 61,346,239.88 : x
  2. Step 2: Convert to fraction form
    90,456,609.56/135,630,982.92 = 61,346,239.88/x
  3. Step 3: Cross multiply
    90,456,609.56x = 135,630,982.92 × 61,346,239.88
  4. Step 4: Simplify right side
    90,456,609.56x = 8,320,450,813,370,502
  5. Step 5: Solve for x
    x = 8,320,450,813,370,502/90,456,609.56
  6. Step 6: Final answer
    x = 91,982,784.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.