Home / 121,288,721.04-167,389,975.98-66,292,844.40

Finding the Fourth Proportional to 121,288,721.04, 167,389,975.98 and 66,292,844.40

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Solution

The fourth proportional to 121,288,721.04, 167,389,975.98 and 66,292,844.40 is: 91,490,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,288,721.04 : 167,389,975.98 = 66,292,844.40 : x
  2. Step 2: Convert to fraction form
    121,288,721.04/167,389,975.98 = 66,292,844.40/x
  3. Step 3: Cross multiply
    121,288,721.04x = 167,389,975.98 × 66,292,844.40
  4. Step 4: Simplify right side
    121,288,721.04x = 11,096,757,631,761,876
  5. Step 5: Solve for x
    x = 11,096,757,631,761,876/121,288,721.04
  6. Step 6: Final answer
    x = 91,490,433.21

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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.