Home / 89,509,220.76-134,263,864.97-40,267,555.72

Finding the Fourth Proportional to 89,509,220.76, 134,263,864.97 and 40,267,555.72

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Solution

The fourth proportional to 89,509,220.76, 134,263,864.97 and 40,267,555.72 is: 60,401,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,509,220.76 : 134,263,864.97 = 40,267,555.72 : x
  2. Step 2: Convert to fraction form
    89,509,220.76/134,263,864.97 = 40,267,555.72/x
  3. Step 3: Cross multiply
    89,509,220.76x = 134,263,864.97 × 40,267,555.72
  4. Step 4: Simplify right side
    89,509,220.76x = 5,406,477,663,476,037
  5. Step 5: Solve for x
    x = 5,406,477,663,476,037/89,509,220.76
  6. Step 6: Final answer
    x = 60,401,348.79

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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.