Home / 57,216,013.20-85,824,019.80-54,561,805.20

Finding the Fourth Proportional to 57,216,013.20, 85,824,019.80 and 54,561,805.20

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Solution

The fourth proportional to 57,216,013.20, 85,824,019.80 and 54,561,805.20 is: 81,842,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,013.20 : 85,824,019.80 = 54,561,805.20 : x
  2. Step 2: Convert to fraction form
    57,216,013.20/85,824,019.80 = 54,561,805.20/x
  3. Step 3: Cross multiply
    57,216,013.20x = 85,824,019.80 × 54,561,805.20
  4. Step 4: Simplify right side
    57,216,013.20x = 4,682,713,449,808,543
  5. Step 5: Solve for x
    x = 4,682,713,449,808,543/57,216,013.20
  6. Step 6: Final answer
    x = 81,842,707.80

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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.