Home / 121,532,608.74-167,716,120.68-71,975,801.10

Finding the Fourth Proportional to 121,532,608.74, 167,716,120.68 and 71,975,801.10

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Solution

The fourth proportional to 121,532,608.74, 167,716,120.68 and 71,975,801.10 is: 99,327,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532,608.74 : 167,716,120.68 = 71,975,801.10 : x
  2. Step 2: Convert to fraction form
    121,532,608.74/167,716,120.68 = 71,975,801.10/x
  3. Step 3: Cross multiply
    121,532,608.74x = 167,716,120.68 × 71,975,801.10
  4. Step 4: Simplify right side
    121,532,608.74x = 12,071,502,143,327,276
  5. Step 5: Solve for x
    x = 12,071,502,143,327,276/121,532,608.74
  6. Step 6: Final answer
    x = 99,327,269.19

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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.