Home / 258,235,400.50-356,359,533.33-140,759,713.78

Finding the Fourth Proportional to 258,235,400.50, 356,359,533.33 and 140,759,713.78

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Solution

The fourth proportional to 258,235,400.50, 356,359,533.33 and 140,759,713.78 is: 194,245,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,235,400.50 : 356,359,533.33 = 140,759,713.78 : x
  2. Step 2: Convert to fraction form
    258,235,400.50/356,359,533.33 = 140,759,713.78/x
  3. Step 3: Cross multiply
    258,235,400.50x = 356,359,533.33 × 140,759,713.78
  4. Step 4: Simplify right side
    258,235,400.50x = 50,161,065,914,305,168
  5. Step 5: Solve for x
    x = 50,161,065,914,305,168/258,235,400.50
  6. Step 6: Final answer
    x = 194,245,505.52

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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.