Home / 107,980,823.20-161,985,231.60-53,421,296.80

Finding the Fourth Proportional to 107,980,823.20, 161,985,231.60 and 53,421,296.80

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Solution

The fourth proportional to 107,980,823.20, 161,985,231.60 and 53,421,296.80 is: 80,138,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,980,823.20 : 161,985,231.60 = 53,421,296.80 : x
  2. Step 2: Convert to fraction form
    107,980,823.20/161,985,231.60 = 53,421,296.80/x
  3. Step 3: Cross multiply
    107,980,823.20x = 161,985,231.60 × 53,421,296.80
  4. Step 4: Simplify right side
    107,980,823.20x = 8,653,461,134,520,338
  5. Step 5: Solve for x
    x = 8,653,461,134,520,338/107,980,823.20
  6. Step 6: Final answer
    x = 80,138,869.83

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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.