Home / 49,569,421.28-74,383,233.72-20,813,345.60

Finding the Fourth Proportional to 49,569,421.28, 74,383,233.72 and 20,813,345.60

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Solution

The fourth proportional to 49,569,421.28, 74,383,233.72 and 20,813,345.60 is: 31,232,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569,421.28 : 74,383,233.72 = 20,813,345.60 : x
  2. Step 2: Convert to fraction form
    49,569,421.28/74,383,233.72 = 20,813,345.60/x
  3. Step 3: Cross multiply
    49,569,421.28x = 74,383,233.72 × 20,813,345.60
  4. Step 4: Simplify right side
    49,569,421.28x = 1,548,163,950,259,933.75
  5. Step 5: Solve for x
    x = 1,548,163,950,259,933.75/49,569,421.28
  6. Step 6: Final answer
    x = 31,232,237.74

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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.