Home / 124,570,230.80-186,855,346.20-72,701,589.20

Finding the Fourth Proportional to 124,570,230.80, 186,855,346.20 and 72,701,589.20

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Solution

The fourth proportional to 124,570,230.80, 186,855,346.20 and 72,701,589.20 is: 109,052,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,570,230.80 : 186,855,346.20 = 72,701,589.20 : x
  2. Step 2: Convert to fraction form
    124,570,230.80/186,855,346.20 = 72,701,589.20/x
  3. Step 3: Cross multiply
    124,570,230.80x = 186,855,346.20 × 72,701,589.20
  4. Step 4: Simplify right side
    124,570,230.80x = 13,584,680,619,256,180
  5. Step 5: Solve for x
    x = 13,584,680,619,256,180/124,570,230.80
  6. Step 6: Final answer
    x = 109,052,383.80

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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.