Home / 119,739,173,507.82-165,228,756,234.78-71,557,624,432.62

Finding the Fourth Proportional to 119,739,173,507.82, 165,228,756,234.78 and 71,557,624,432.62

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Solution

The fourth proportional to 119,739,173,507.82, 165,228,756,234.78 and 71,557,624,432.62 is: 98,742,766,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,739,173,507.82 : 165,228,756,234.78 = 71,557,624,432.62 : x
  2. Step 2: Convert to fraction form
    119,739,173,507.82/165,228,756,234.78 = 71,557,624,432.62/x
  3. Step 3: Cross multiply
    119,739,173,507.82x = 165,228,756,234.78 × 71,557,624,432.62
  4. Step 4: Simplify right side
    119,739,173,507.82x = 11,823,377,284,117,307,588,608
  5. Step 5: Solve for x
    x = 11,823,377,284,117,307,588,608/119,739,173,507.82
  6. Step 6: Final answer
    x = 98,742,766,780.04

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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.