Home / 258,953,249.70-387,792,145.35-122,479,200.90

Finding the Fourth Proportional to 258,953,249.70, 387,792,145.35 and 122,479,200.90

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Solution

The fourth proportional to 258,953,249.70, 387,792,145.35 and 122,479,200.90 is: 183,417,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,953,249.70 : 387,792,145.35 = 122,479,200.90 : x
  2. Step 2: Convert to fraction form
    258,953,249.70/387,792,145.35 = 122,479,200.90/x
  3. Step 3: Cross multiply
    258,953,249.70x = 387,792,145.35 × 122,479,200.90
  4. Step 4: Simplify right side
    258,953,249.70x = 47,496,472,077,764,656
  5. Step 5: Solve for x
    x = 47,496,472,077,764,656/258,953,249.70
  6. Step 6: Final answer
    x = 183,417,169.44

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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.