Home / 252,980,638.86-349,106,724.26-139,954,306.44

Finding the Fourth Proportional to 252,980,638.86, 349,106,724.26 and 139,954,306.44

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Solution

The fourth proportional to 252,980,638.86, 349,106,724.26 and 139,954,306.44 is: 193,133,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,980,638.86 : 349,106,724.26 = 139,954,306.44 : x
  2. Step 2: Convert to fraction form
    252,980,638.86/349,106,724.26 = 139,954,306.44/x
  3. Step 3: Cross multiply
    252,980,638.86x = 349,106,724.26 × 139,954,306.44
  4. Step 4: Simplify right side
    252,980,638.86x = 48,858,989,468,482,832
  5. Step 5: Solve for x
    x = 48,858,989,468,482,832/252,980,638.86
  6. Step 6: Final answer
    x = 193,133,315.21

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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.