Home / 48,143,799.72-66,438,443.03-27,517,688.91

Finding the Fourth Proportional to 48,143,799.72, 66,438,443.03 and 27,517,688.91

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Solution

The fourth proportional to 48,143,799.72, 66,438,443.03 and 27,517,688.91 is: 37,974,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143,799.72 : 66,438,443.03 = 27,517,688.91 : x
  2. Step 2: Convert to fraction form
    48,143,799.72/66,438,443.03 = 27,517,688.91/x
  3. Step 3: Cross multiply
    48,143,799.72x = 66,438,443.03 × 27,517,688.91
  4. Step 4: Simplify right side
    48,143,799.72x = 1,828,232,406,826,709.25
  5. Step 5: Solve for x
    x = 1,828,232,406,826,709.25/48,143,799.72
  6. Step 6: Final answer
    x = 37,974,410.36

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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.