Home / 250,639,756.40-345,883,859.16-140,624,286.32

Finding the Fourth Proportional to 250,639,756.40, 345,883,859.16 and 140,624,286.32

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Solution

The fourth proportional to 250,639,756.40, 345,883,859.16 and 140,624,286.32 is: 194,062,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,639,756.40 : 345,883,859.16 = 140,624,286.32 : x
  2. Step 2: Convert to fraction form
    250,639,756.40/345,883,859.16 = 140,624,286.32/x
  3. Step 3: Cross multiply
    250,639,756.40x = 345,883,859.16 × 140,624,286.32
  4. Step 4: Simplify right side
    250,639,756.40x = 48,639,670,843,982,392
  5. Step 5: Solve for x
    x = 48,639,670,843,982,392/250,639,756.40
  6. Step 6: Final answer
    x = 194,062,073.56

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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.