Home / 180,320,947.20-270,481,420.80-103,793,443.20

Finding the Fourth Proportional to 180,320,947.20, 270,481,420.80 and 103,793,443.20

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Solution

The fourth proportional to 180,320,947.20, 270,481,420.80 and 103,793,443.20 is: 155,690,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,320,947.20 : 270,481,420.80 = 103,793,443.20 : x
  2. Step 2: Convert to fraction form
    180,320,947.20/270,481,420.80 = 103,793,443.20/x
  3. Step 3: Cross multiply
    180,320,947.20x = 270,481,420.80 × 103,793,443.20
  4. Step 4: Simplify right side
    180,320,947.20x = 28,074,197,986,460,100
  5. Step 5: Solve for x
    x = 28,074,197,986,460,100/180,320,947.20
  6. Step 6: Final answer
    x = 155,690,164.80

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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.