Home / 101,393,563.91-139,923,155.09-54,983,805.53

Finding the Fourth Proportional to 101,393,563.91, 139,923,155.09 and 54,983,805.53

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Solution

The fourth proportional to 101,393,563.91, 139,923,155.09 and 54,983,805.53 is: 75,877,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,393,563.91 : 139,923,155.09 = 54,983,805.53 : x
  2. Step 2: Convert to fraction form
    101,393,563.91/139,923,155.09 = 54,983,805.53/x
  3. Step 3: Cross multiply
    101,393,563.91x = 139,923,155.09 × 54,983,805.53
  4. Step 4: Simplify right side
    101,393,563.91x = 7,693,507,548,050,433
  5. Step 5: Solve for x
    x = 7,693,507,548,050,433/101,393,563.91
  6. Step 6: Final answer
    x = 75,877,671.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.