Home / 185,792,816.70-256,395,012.91-102,166,340.43

Finding the Fourth Proportional to 185,792,816.70, 256,395,012.91 and 102,166,340.43

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Solution

The fourth proportional to 185,792,816.70, 256,395,012.91 and 102,166,340.43 is: 140,990,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,792,816.70 : 256,395,012.91 = 102,166,340.43 : x
  2. Step 2: Convert to fraction form
    185,792,816.70/256,395,012.91 = 102,166,340.43/x
  3. Step 3: Cross multiply
    185,792,816.70x = 256,395,012.91 × 102,166,340.43
  4. Step 4: Simplify right side
    185,792,816.70x = 26,194,940,172,600,040
  5. Step 5: Solve for x
    x = 26,194,940,172,600,040/185,792,816.70
  6. Step 6: Final answer
    x = 140,990,058.92

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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.