Home / 121,343,780.84-167,455,176.66-65,589,086.27

Finding the Fourth Proportional to 121,343,780.84, 167,455,176.66 and 65,589,086.27

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Solution

The fourth proportional to 121,343,780.84, 167,455,176.66 and 65,589,086.27 is: 90,513,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,343,780.84 : 167,455,176.66 = 65,589,086.27 : x
  2. Step 2: Convert to fraction form
    121,343,780.84/167,455,176.66 = 65,589,086.27/x
  3. Step 3: Cross multiply
    121,343,780.84x = 167,455,176.66 × 65,589,086.27
  4. Step 4: Simplify right side
    121,343,780.84x = 10,983,232,028,729,468
  5. Step 5: Solve for x
    x = 10,983,232,028,729,468/121,343,780.84
  6. Step 6: Final answer
    x = 90,513,349.37

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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.