Home / 83,209,600.80-124,814,401.20-80,074,317.60

Finding the Fourth Proportional to 83,209,600.80, 124,814,401.20 and 80,074,317.60

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Solution

The fourth proportional to 83,209,600.80, 124,814,401.20 and 80,074,317.60 is: 120,111,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,600.80 : 124,814,401.20 = 80,074,317.60 : x
  2. Step 2: Convert to fraction form
    83,209,600.80/124,814,401.20 = 80,074,317.60/x
  3. Step 3: Cross multiply
    83,209,600.80x = 124,814,401.20 × 80,074,317.60
  4. Step 4: Simplify right side
    83,209,600.80x = 9,994,428,002,742,620
  5. Step 5: Solve for x
    x = 9,994,428,002,742,620/83,209,600.80
  6. Step 6: Final answer
    x = 120,111,476.40

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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.