Home / 101,393,563.78-139,923,155.25-54,983,805.46

Finding the Fourth Proportional to 101,393,563.78, 139,923,155.25 and 54,983,805.46

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Solution

The fourth proportional to 101,393,563.78, 139,923,155.25 and 54,983,805.46 is: 75,877,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,393,563.78 : 139,923,155.25 = 54,983,805.46 : x
  2. Step 2: Convert to fraction form
    101,393,563.78/139,923,155.25 = 54,983,805.46/x
  3. Step 3: Cross multiply
    101,393,563.78x = 139,923,155.25 × 54,983,805.46
  4. Step 4: Simplify right side
    101,393,563.78x = 7,693,507,547,615,378
  5. Step 5: Solve for x
    x = 7,693,507,547,615,378/101,393,563.78
  6. Step 6: Final answer
    x = 75,877,671.73

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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.