Home / 54,032,856.30-81,049,284.45-13,643,340.30

Finding the Fourth Proportional to 54,032,856.30, 81,049,284.45 and 13,643,340.30

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Solution

The fourth proportional to 54,032,856.30, 81,049,284.45 and 13,643,340.30 is: 20,465,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032,856.30 : 81,049,284.45 = 13,643,340.30 : x
  2. Step 2: Convert to fraction form
    54,032,856.30/81,049,284.45 = 13,643,340.30/x
  3. Step 3: Cross multiply
    54,032,856.30x = 81,049,284.45 × 13,643,340.30
  4. Step 4: Simplify right side
    54,032,856.30x = 1,105,782,968,822,848.38
  5. Step 5: Solve for x
    x = 1,105,782,968,822,848.38/54,032,856.30
  6. Step 6: Final answer
    x = 20,465,010.45

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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.