Home / 72,439,253,490.20-108,594,257,009.70-28,263,043,218.20

Finding the Fourth Proportional to 72,439,253,490.20, 108,594,257,009.70 and 28,263,043,218.20

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Solution

The fourth proportional to 72,439,253,490.20, 108,594,257,009.70 and 28,263,043,218.20 is: 42,369,351,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439,253,490.20 : 108,594,257,009.70 = 28,263,043,218.20 : x
  2. Step 2: Convert to fraction form
    72,439,253,490.20/108,594,257,009.70 = 28,263,043,218.20/x
  3. Step 3: Cross multiply
    72,439,253,490.20x = 108,594,257,009.70 × 28,263,043,218.20
  4. Step 4: Simplify right side
    72,439,253,490.20x = 3,069,204,179,113,469,280,256
  5. Step 5: Solve for x
    x = 3,069,204,179,113,469,280,256/72,439,253,490.20
  6. Step 6: Final answer
    x = 42,369,351,301.07

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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.