Home / 124,380,085.20-171,699,563.76-80,348,558.04

Finding the Fourth Proportional to 124,380,085.20, 171,699,563.76 and 80,348,558.04

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Solution

The fourth proportional to 124,380,085.20, 171,699,563.76 and 80,348,558.04 is: 110,916,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380,085.20 : 171,699,563.76 = 80,348,558.04 : x
  2. Step 2: Convert to fraction form
    124,380,085.20/171,699,563.76 = 80,348,558.04/x
  3. Step 3: Cross multiply
    124,380,085.20x = 171,699,563.76 × 80,348,558.04
  4. Step 4: Simplify right side
    124,380,085.20x = 13,795,812,364,213,040
  5. Step 5: Solve for x
    x = 13,795,812,364,213,040/124,380,085.20
  6. Step 6: Final answer
    x = 110,916,569.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.