Home / 80,262,652.48-120,425,880.96-25,683,647.36

Finding the Fourth Proportional to 80,262,652.48, 120,425,880.96 and 25,683,647.36

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Solution

The fourth proportional to 80,262,652.48, 120,425,880.96 and 25,683,647.36 is: 38,535,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,262,652.48 : 120,425,880.96 = 25,683,647.36 : x
  2. Step 2: Convert to fraction form
    80,262,652.48/120,425,880.96 = 25,683,647.36/x
  3. Step 3: Cross multiply
    80,262,652.48x = 120,425,880.96 × 25,683,647.36
  4. Step 4: Simplify right side
    80,262,652.48x = 3,092,975,859,593,978
  5. Step 5: Solve for x
    x = 3,092,975,859,593,978/80,262,652.48
  6. Step 6: Final answer
    x = 38,535,679.60

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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.