Home / 324,807,438.42-487,239,798.83-91,640,190.42

Finding the Fourth Proportional to 324,807,438.42, 487,239,798.83 and 91,640,190.42

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Solution

The fourth proportional to 324,807,438.42, 487,239,798.83 and 91,640,190.42 is: 137,468,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,807,438.42 : 487,239,798.83 = 91,640,190.42 : x
  2. Step 2: Convert to fraction form
    324,807,438.42/487,239,798.83 = 91,640,190.42/x
  3. Step 3: Cross multiply
    324,807,438.42x = 487,239,798.83 × 91,640,190.42
  4. Step 4: Simplify right side
    324,807,438.42x = 44,650,747,944,525,496
  5. Step 5: Solve for x
    x = 44,650,747,944,525,496/324,807,438.42
  6. Step 6: Final answer
    x = 137,468,366.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.