Home / 123,203,555.52-184,987,007.36-68,722,586.16

Finding the Fourth Proportional to 123,203,555.52, 184,987,007.36 and 68,722,586.16

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Solution

The fourth proportional to 123,203,555.52, 184,987,007.36 and 68,722,586.16 is: 103,185,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,203,555.52 : 184,987,007.36 = 68,722,586.16 : x
  2. Step 2: Convert to fraction form
    123,203,555.52/184,987,007.36 = 68,722,586.16/x
  3. Step 3: Cross multiply
    123,203,555.52x = 184,987,007.36 × 68,722,586.16
  4. Step 4: Simplify right side
    123,203,555.52x = 12,712,785,551,778,154
  5. Step 5: Solve for x
    x = 12,712,785,551,778,154/123,203,555.52
  6. Step 6: Final answer
    x = 103,185,216.52

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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.