Home / 107,843,487.35-161,765,231.03-82,334,319.35

Finding the Fourth Proportional to 107,843,487.35, 161,765,231.03 and 82,334,319.35

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Solution

The fourth proportional to 107,843,487.35, 161,765,231.03 and 82,334,319.35 is: 123,501,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,843,487.35 : 161,765,231.03 = 82,334,319.35 : x
  2. Step 2: Convert to fraction form
    107,843,487.35/161,765,231.03 = 82,334,319.35/x
  3. Step 3: Cross multiply
    107,843,487.35x = 161,765,231.03 × 82,334,319.35
  4. Step 4: Simplify right side
    107,843,487.35x = 13,318,830,190,938,878
  5. Step 5: Solve for x
    x = 13,318,830,190,938,878/107,843,487.35
  6. Step 6: Final answer
    x = 123,501,479.03

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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.