Home / 101,393,987.70-139,923,740.10-54,984,229.14

Finding the Fourth Proportional to 101,393,987.70, 139,923,740.10 and 54,984,229.14

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Solution

The fourth proportional to 101,393,987.70, 139,923,740.10 and 54,984,229.14 is: 75,878,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,393,987.70 : 139,923,740.10 = 54,984,229.14 : x
  2. Step 2: Convert to fraction form
    101,393,987.70/139,923,740.10 = 54,984,229.14/x
  3. Step 3: Cross multiply
    101,393,987.70x = 139,923,740.10 × 54,984,229.14
  4. Step 4: Simplify right side
    101,393,987.70x = 7,693,598,987,784,206
  5. Step 5: Solve for x
    x = 7,693,598,987,784,206/101,393,987.70
  6. Step 6: Final answer
    x = 75,878,256.32

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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.