Home / 89,786,758.62-123,905,672.78-48,533,652.20

Finding the Fourth Proportional to 89,786,758.62, 123,905,672.78 and 48,533,652.20

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Solution

The fourth proportional to 89,786,758.62, 123,905,672.78 and 48,533,652.20 is: 66,976,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786,758.62 : 123,905,672.78 = 48,533,652.20 : x
  2. Step 2: Convert to fraction form
    89,786,758.62/123,905,672.78 = 48,533,652.20/x
  3. Step 3: Cross multiply
    89,786,758.62x = 123,905,672.78 × 48,533,652.20
  4. Step 4: Simplify right side
    89,786,758.62x = 6,013,594,828,311,528
  5. Step 5: Solve for x
    x = 6,013,594,828,311,528/89,786,758.62
  6. Step 6: Final answer
    x = 66,976,410.78

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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.