Home / 192,867,513.12-266,179,247.04-108,117,521.98

Finding the Fourth Proportional to 192,867,513.12, 266,179,247.04 and 108,117,521.98

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Solution

The fourth proportional to 192,867,513.12, 266,179,247.04 and 108,117,521.98 is: 149,214,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,867,513.12 : 266,179,247.04 = 108,117,521.98 : x
  2. Step 2: Convert to fraction form
    192,867,513.12/266,179,247.04 = 108,117,521.98/x
  3. Step 3: Cross multiply
    192,867,513.12x = 266,179,247.04 × 108,117,521.98
  4. Step 4: Simplify right side
    192,867,513.12x = 28,778,640,591,710,064
  5. Step 5: Solve for x
    x = 28,778,640,591,710,064/192,867,513.12
  6. Step 6: Final answer
    x = 149,214,557.32

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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.