Home / 64,491,666.68-89,004,785.10-48,165,799.16

Finding the Fourth Proportional to 64,491,666.68, 89,004,785.10 and 48,165,799.16

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Solution

The fourth proportional to 64,491,666.68, 89,004,785.10 and 48,165,799.16 is: 66,473,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,491,666.68 : 89,004,785.10 = 48,165,799.16 : x
  2. Step 2: Convert to fraction form
    64,491,666.68/89,004,785.10 = 48,165,799.16/x
  3. Step 3: Cross multiply
    64,491,666.68x = 89,004,785.10 × 48,165,799.16
  4. Step 4: Simplify right side
    64,491,666.68x = 4,286,986,603,405,560
  5. Step 5: Solve for x
    x = 4,286,986,603,405,560/64,491,666.68
  6. Step 6: Final answer
    x = 66,473,496.87

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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.