Home / 278,041,530.80-417,062,296.20-73,590,273.20

Finding the Fourth Proportional to 278,041,530.80, 417,062,296.20 and 73,590,273.20

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Solution

The fourth proportional to 278,041,530.80, 417,062,296.20 and 73,590,273.20 is: 110,385,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,041,530.80 : 417,062,296.20 = 73,590,273.20 : x
  2. Step 2: Convert to fraction form
    278,041,530.80/417,062,296.20 = 73,590,273.20/x
  3. Step 3: Cross multiply
    278,041,530.80x = 417,062,296.20 × 73,590,273.20
  4. Step 4: Simplify right side
    278,041,530.80x = 30,691,728,318,777,324
  5. Step 5: Solve for x
    x = 30,691,728,318,777,324/278,041,530.80
  6. Step 6: Final answer
    x = 110,385,409.80

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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.