Home / 80,402,918.22-120,545,579.84-25,784,413.90

Finding the Fourth Proportional to 80,402,918.22, 120,545,579.84 and 25,784,413.90

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Solution

The fourth proportional to 80,402,918.22, 120,545,579.84 and 25,784,413.90 is: 38,657,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402,918.22 : 120,545,579.84 = 25,784,413.90 : x
  2. Step 2: Convert to fraction form
    80,402,918.22/120,545,579.84 = 25,784,413.90/x
  3. Step 3: Cross multiply
    80,402,918.22x = 120,545,579.84 × 25,784,413.90
  4. Step 4: Simplify right side
    80,402,918.22x = 3,108,197,123,979,769.50
  5. Step 5: Solve for x
    x = 3,108,197,123,979,769.50/80,402,918.22
  6. Step 6: Final answer
    x = 38,657,765.08

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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.