Home / 60,661,958.40-90,992,937.60-45,545,414.40

Finding the Fourth Proportional to 60,661,958.40, 90,992,937.60 and 45,545,414.40

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Solution

The fourth proportional to 60,661,958.40, 90,992,937.60 and 45,545,414.40 is: 68,318,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661,958.40 : 90,992,937.60 = 45,545,414.40 : x
  2. Step 2: Convert to fraction form
    60,661,958.40/90,992,937.60 = 45,545,414.40/x
  3. Step 3: Cross multiply
    60,661,958.40x = 90,992,937.60 × 45,545,414.40
  4. Step 4: Simplify right side
    60,661,958.40x = 4,144,311,050,465,341
  5. Step 5: Solve for x
    x = 4,144,311,050,465,341/60,661,958.40
  6. Step 6: Final answer
    x = 68,318,121.60

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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.