Home / 245,468,982.30-368,194,505.26-72,941,311.78

Finding the Fourth Proportional to 245,468,982.30, 368,194,505.26 and 72,941,311.78

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Solution

The fourth proportional to 245,468,982.30, 368,194,505.26 and 72,941,311.78 is: 109,409,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,468,982.30 : 368,194,505.26 = 72,941,311.78 : x
  2. Step 2: Convert to fraction form
    245,468,982.30/368,194,505.26 = 72,941,311.78/x
  3. Step 3: Cross multiply
    245,468,982.30x = 368,194,505.26 × 72,941,311.78
  4. Step 4: Simplify right side
    245,468,982.30x = 26,856,590,203,852,508
  5. Step 5: Solve for x
    x = 26,856,590,203,852,508/245,468,982.30
  6. Step 6: Final answer
    x = 109,409,302.76

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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.