Home / 107,816,421.60-161,614,407.60-53,144,920.80

Finding the Fourth Proportional to 107,816,421.60, 161,614,407.60 and 53,144,920.80

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Solution

The fourth proportional to 107,816,421.60, 161,614,407.60 and 53,144,920.80 is: 79,663,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,816,421.60 : 161,614,407.60 = 53,144,920.80 : x
  2. Step 2: Convert to fraction form
    107,816,421.60/161,614,407.60 = 53,144,920.80/x
  3. Step 3: Cross multiply
    107,816,421.60x = 161,614,407.60 × 53,144,920.80
  4. Step 4: Simplify right side
    107,816,421.60x = 8,588,984,892,040,917
  5. Step 5: Solve for x
    x = 8,588,984,892,040,917/107,816,421.60
  6. Step 6: Final answer
    x = 79,663,049.14

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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.