Home / 258,276,474.33-356,418,130.80-145,245,932.65

Finding the Fourth Proportional to 258,276,474.33, 356,418,130.80 and 145,245,932.65

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Solution

The fourth proportional to 258,276,474.33, 356,418,130.80 and 145,245,932.65 is: 200,437,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,276,474.33 : 356,418,130.80 = 145,245,932.65 : x
  2. Step 2: Convert to fraction form
    258,276,474.33/356,418,130.80 = 145,245,932.65/x
  3. Step 3: Cross multiply
    258,276,474.33x = 356,418,130.80 × 145,245,932.65
  4. Step 4: Simplify right side
    258,276,474.33x = 51,768,283,820,524,648
  5. Step 5: Solve for x
    x = 51,768,283,820,524,648/258,276,474.33
  6. Step 6: Final answer
    x = 200,437,472.89

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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.