Home / 82,663,291.92-123,817,790.70-67,237,360.32

Finding the Fourth Proportional to 82,663,291.92, 123,817,790.70 and 67,237,360.32

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Solution

The fourth proportional to 82,663,291.92, 123,817,790.70 and 67,237,360.32 is: 100,711,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,663,291.92 : 123,817,790.70 = 67,237,360.32 : x
  2. Step 2: Convert to fraction form
    82,663,291.92/123,817,790.70 = 67,237,360.32/x
  3. Step 3: Cross multiply
    82,663,291.92x = 123,817,790.70 × 67,237,360.32
  4. Step 4: Simplify right side
    82,663,291.92x = 8,325,181,407,322,244
  5. Step 5: Solve for x
    x = 8,325,181,407,322,244/82,663,291.92
  6. Step 6: Final answer
    x = 100,711,951.02

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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.