Home / 121,541,860.03-167,727,762.03-66,537,716.53

Finding the Fourth Proportional to 121,541,860.03, 167,727,762.03 and 66,537,716.53

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Solution

The fourth proportional to 121,541,860.03, 167,727,762.03 and 66,537,716.53 is: 91,822,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,541,860.03 : 167,727,762.03 = 66,537,716.53 : x
  2. Step 2: Convert to fraction form
    121,541,860.03/167,727,762.03 = 66,537,716.53/x
  3. Step 3: Cross multiply
    121,541,860.03x = 167,727,762.03 × 66,537,716.53
  4. Step 4: Simplify right side
    121,541,860.03x = 11,160,222,284,163,438
  5. Step 5: Solve for x
    x = 11,160,222,284,163,438/121,541,860.03
  6. Step 6: Final answer
    x = 91,822,046.18

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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.