Home / 77,152,092.60-115,860,849.30-54,591,324.60

Finding the Fourth Proportional to 77,152,092.60, 115,860,849.30 and 54,591,324.60

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Solution

The fourth proportional to 77,152,092.60, 115,860,849.30 and 54,591,324.60 is: 81,980,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,152,092.60 : 115,860,849.30 = 54,591,324.60 : x
  2. Step 2: Convert to fraction form
    77,152,092.60/115,860,849.30 = 54,591,324.60/x
  3. Step 3: Cross multiply
    77,152,092.60x = 115,860,849.30 × 54,591,324.60
  4. Step 4: Simplify right side
    77,152,092.60x = 6,324,997,232,567,983
  5. Step 5: Solve for x
    x = 6,324,997,232,567,983/77,152,092.60
  6. Step 6: Final answer
    x = 81,980,890.21

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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.