Home / 107,815,029.60-161,612,319.60-53,143,528.80

Finding the Fourth Proportional to 107,815,029.60, 161,612,319.60 and 53,143,528.80

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Solution

The fourth proportional to 107,815,029.60, 161,612,319.60 and 53,143,528.80 is: 79,660,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815,029.60 : 161,612,319.60 = 53,143,528.80 : x
  2. Step 2: Convert to fraction form
    107,815,029.60/161,612,319.60 = 53,143,528.80/x
  3. Step 3: Cross multiply
    107,815,029.60x = 161,612,319.60 × 53,143,528.80
  4. Step 4: Simplify right side
    107,815,029.60x = 8,588,648,961,097,404
  5. Step 5: Solve for x
    x = 8,588,648,961,097,404/107,815,029.60
  6. Step 6: Final answer
    x = 79,660,961.86

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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.