Home / 82,005,485,930.02-122,995,800,231.27-22,318,799,332.78

Finding the Fourth Proportional to 82,005,485,930.02, 122,995,800,231.27 and 22,318,799,332.78

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Solution

The fourth proportional to 82,005,485,930.02, 122,995,800,231.27 and 22,318,799,332.78 is: 33,474,816,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,485,930.02 : 122,995,800,231.27 = 22,318,799,332.78 : x
  2. Step 2: Convert to fraction form
    82,005,485,930.02/122,995,800,231.27 = 22,318,799,332.78/x
  3. Step 3: Cross multiply
    82,005,485,930.02x = 122,995,800,231.27 × 22,318,799,332.78
  4. Step 4: Simplify right side
    82,005,485,930.02x = 2,745,118,584,136,410,857,472
  5. Step 5: Solve for x
    x = 2,745,118,584,136,410,857,472/82,005,485,930.02
  6. Step 6: Final answer
    x = 33,474,816,385.81

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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.