Home / 35,948,843.10-53,923,264.65-20,643,342.30

Finding the Fourth Proportional to 35,948,843.10, 53,923,264.65 and 20,643,342.30

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Solution

The fourth proportional to 35,948,843.10, 53,923,264.65 and 20,643,342.30 is: 30,965,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948,843.10 : 53,923,264.65 = 20,643,342.30 : x
  2. Step 2: Convert to fraction form
    35,948,843.10/53,923,264.65 = 20,643,342.30/x
  3. Step 3: Cross multiply
    35,948,843.10x = 53,923,264.65 × 20,643,342.30
  4. Step 4: Simplify right side
    35,948,843.10x = 1,113,156,410,103,439.75
  5. Step 5: Solve for x
    x = 1,113,156,410,103,439.75/35,948,843.10
  6. Step 6: Final answer
    x = 30,965,013.45

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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.