Home / 220,810,894.16-304,719,035.65-121,691,642.66

Finding the Fourth Proportional to 220,810,894.16, 304,719,035.65 and 121,691,642.66

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Solution

The fourth proportional to 220,810,894.16, 304,719,035.65 and 121,691,642.66 is: 167,934,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,810,894.16 : 304,719,035.65 = 121,691,642.66 : x
  2. Step 2: Convert to fraction form
    220,810,894.16/304,719,035.65 = 121,691,642.66/x
  3. Step 3: Cross multiply
    220,810,894.16x = 304,719,035.65 × 121,691,642.66
  4. Step 4: Simplify right side
    220,810,894.16x = 37,081,759,997,893,464
  5. Step 5: Solve for x
    x = 37,081,759,997,893,464/220,810,894.16
  6. Step 6: Final answer
    x = 167,934,467.82

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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.