Home / 174,880,387.20-262,320,580.80-72,591,772.80

Finding the Fourth Proportional to 174,880,387.20, 262,320,580.80 and 72,591,772.80

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Solution

The fourth proportional to 174,880,387.20, 262,320,580.80 and 72,591,772.80 is: 108,887,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,880,387.20 : 262,320,580.80 = 72,591,772.80 : x
  2. Step 2: Convert to fraction form
    174,880,387.20/262,320,580.80 = 72,591,772.80/x
  3. Step 3: Cross multiply
    174,880,387.20x = 262,320,580.80 × 72,591,772.80
  4. Step 4: Simplify right side
    174,880,387.20x = 19,042,316,002,197,644
  5. Step 5: Solve for x
    x = 19,042,316,002,197,644/174,880,387.20
  6. Step 6: Final answer
    x = 108,887,659.20

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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.