Home / 121,343,781.84-167,455,178.04-65,589,087.27

Finding the Fourth Proportional to 121,343,781.84, 167,455,178.04 and 65,589,087.27

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Solution

The fourth proportional to 121,343,781.84, 167,455,178.04 and 65,589,087.27 is: 90,513,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,343,781.84 : 167,455,178.04 = 65,589,087.27 : x
  2. Step 2: Convert to fraction form
    121,343,781.84/167,455,178.04 = 65,589,087.27/x
  3. Step 3: Cross multiply
    121,343,781.84x = 167,455,178.04 × 65,589,087.27
  4. Step 4: Simplify right side
    121,343,781.84x = 10,983,232,286,278,948
  5. Step 5: Solve for x
    x = 10,983,232,286,278,948/121,343,781.84
  6. Step 6: Final answer
    x = 90,513,350.74

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1.5x scale

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.