Home / 107,843,515.10-161,765,272.65-82,334,347.10

Finding the Fourth Proportional to 107,843,515.10, 161,765,272.65 and 82,334,347.10

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Solution

The fourth proportional to 107,843,515.10, 161,765,272.65 and 82,334,347.10 is: 123,501,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,843,515.10 : 161,765,272.65 = 82,334,347.10 : x
  2. Step 2: Convert to fraction form
    107,843,515.10/161,765,272.65 = 82,334,347.10/x
  3. Step 3: Cross multiply
    107,843,515.10x = 161,765,272.65 × 82,334,347.10
  4. Step 4: Simplify right side
    107,843,515.10x = 13,318,838,107,091,236
  5. Step 5: Solve for x
    x = 13,318,838,107,091,236/107,843,515.10
  6. Step 6: Final answer
    x = 123,501,520.65

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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.