Home / 121,532,608.24-167,716,120-71,975,800.60

Finding the Fourth Proportional to 121,532,608.24, 167,716,120 and 71,975,800.60

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Solution

The fourth proportional to 121,532,608.24, 167,716,120 and 71,975,800.60 is: 99,327,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532,608.24 : 167,716,120 = 71,975,800.60 : x
  2. Step 2: Convert to fraction form
    121,532,608.24/167,716,120 = 71,975,800.60/x
  3. Step 3: Cross multiply
    121,532,608.24x = 167,716,120 × 71,975,800.60
  4. Step 4: Simplify right side
    121,532,608.24x = 12,071,502,010,525,672
  5. Step 5: Solve for x
    x = 12,071,502,010,525,672/121,532,608.24
  6. Step 6: Final answer
    x = 99,327,268.50

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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.