Home / 53,789,425.45-80,622,979.53-47,299,783.21

Finding the Fourth Proportional to 53,789,425.45, 80,622,979.53 and 47,299,783.21

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Solution

The fourth proportional to 53,789,425.45, 80,622,979.53 and 47,299,783.21 is: 70,895,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789,425.45 : 80,622,979.53 = 47,299,783.21 : x
  2. Step 2: Convert to fraction form
    53,789,425.45/80,622,979.53 = 47,299,783.21/x
  3. Step 3: Cross multiply
    53,789,425.45x = 80,622,979.53 × 47,299,783.21
  4. Step 4: Simplify right side
    53,789,425.45x = 3,813,449,453,513,268
  5. Step 5: Solve for x
    x = 3,813,449,453,513,268/53,789,425.45
  6. Step 6: Final answer
    x = 70,895,894.90

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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.