Home / 98,380,985.82-147,795,427.53-71,171,206.62

Finding the Fourth Proportional to 98,380,985.82, 147,795,427.53 and 71,171,206.62

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Solution

The fourth proportional to 98,380,985.82, 147,795,427.53 and 71,171,206.62 is: 106,918,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,380,985.82 : 147,795,427.53 = 71,171,206.62 : x
  2. Step 2: Convert to fraction form
    98,380,985.82/147,795,427.53 = 71,171,206.62/x
  3. Step 3: Cross multiply
    98,380,985.82x = 147,795,427.53 × 71,171,206.62
  4. Step 4: Simplify right side
    98,380,985.82x = 10,518,778,910,228,868
  5. Step 5: Solve for x
    x = 10,518,778,910,228,868/98,380,985.82
  6. Step 6: Final answer
    x = 106,918,819.96

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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.