Home / 222,565,987.94-307,177,842.24-123,478,659.20

Finding the Fourth Proportional to 222,565,987.94, 307,177,842.24 and 123,478,659.20

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Solution

The fourth proportional to 222,565,987.94, 307,177,842.24 and 123,478,659.20 is: 170,420,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565,987.94 : 307,177,842.24 = 123,478,659.20 : x
  2. Step 2: Convert to fraction form
    222,565,987.94/307,177,842.24 = 123,478,659.20/x
  3. Step 3: Cross multiply
    222,565,987.94x = 307,177,842.24 × 123,478,659.20
  4. Step 4: Simplify right side
    222,565,987.94x = 37,929,908,095,744,328
  5. Step 5: Solve for x
    x = 37,929,908,095,744,328/222,565,987.94
  6. Step 6: Final answer
    x = 170,420,954.46

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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.