Home / 361,355,810.32-542,032,642.84-102,571,249.52

Finding the Fourth Proportional to 361,355,810.32, 542,032,642.84 and 102,571,249.52

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Solution

The fourth proportional to 361,355,810.32, 542,032,642.84 and 102,571,249.52 is: 153,856,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,355,810.32 : 542,032,642.84 = 102,571,249.52 : x
  2. Step 2: Convert to fraction form
    361,355,810.32/542,032,642.84 = 102,571,249.52/x
  3. Step 3: Cross multiply
    361,355,810.32x = 542,032,642.84 × 102,571,249.52
  4. Step 4: Simplify right side
    361,355,810.32x = 55,596,965,456,726,680
  5. Step 5: Solve for x
    x = 55,596,965,456,726,680/361,355,810.32
  6. Step 6: Final answer
    x = 153,856,569.81

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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.