Home / 73,823,930.46-101,876,704.47-40,784,178.78

Finding the Fourth Proportional to 73,823,930.46, 101,876,704.47 and 40,784,178.78

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Solution

The fourth proportional to 73,823,930.46, 101,876,704.47 and 40,784,178.78 is: 56,281,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,823,930.46 : 101,876,704.47 = 40,784,178.78 : x
  2. Step 2: Convert to fraction form
    73,823,930.46/101,876,704.47 = 40,784,178.78/x
  3. Step 3: Cross multiply
    73,823,930.46x = 101,876,704.47 × 40,784,178.78
  4. Step 4: Simplify right side
    73,823,930.46x = 4,154,957,728,621,705
  5. Step 5: Solve for x
    x = 4,154,957,728,621,705/73,823,930.46
  6. Step 6: Final answer
    x = 56,281,990.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.