Home / 82,156,816.32-123,258,263.54-33,007,183.16

Finding the Fourth Proportional to 82,156,816.32, 123,258,263.54 and 33,007,183.16

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Solution

The fourth proportional to 82,156,816.32, 123,258,263.54 and 33,007,183.16 is: 49,520,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,156,816.32 : 123,258,263.54 = 33,007,183.16 : x
  2. Step 2: Convert to fraction form
    82,156,816.32/123,258,263.54 = 33,007,183.16/x
  3. Step 3: Cross multiply
    82,156,816.32x = 123,258,263.54 × 33,007,183.16
  4. Step 4: Simplify right side
    82,156,816.32x = 4,068,408,080,648,330
  5. Step 5: Solve for x
    x = 4,068,408,080,648,330/82,156,816.32
  6. Step 6: Final answer
    x = 49,520,030.87

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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.