Home / 67,062,221.04-100,632,363.84-28,197,860.52

Finding the Fourth Proportional to 67,062,221.04, 100,632,363.84 and 28,197,860.52

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Solution

The fourth proportional to 67,062,221.04, 100,632,363.84 and 28,197,860.52 is: 42,313,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,062,221.04 : 100,632,363.84 = 28,197,860.52 : x
  2. Step 2: Convert to fraction form
    67,062,221.04/100,632,363.84 = 28,197,860.52/x
  3. Step 3: Cross multiply
    67,062,221.04x = 100,632,363.84 × 28,197,860.52
  4. Step 4: Simplify right side
    67,062,221.04x = 2,837,617,359,358,211.50
  5. Step 5: Solve for x
    x = 2,837,617,359,358,211.50/67,062,221.04
  6. Step 6: Final answer
    x = 42,313,202.80

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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.