Home / 121,068,017.63-167,072,296.68-66,062,926.43

Finding the Fourth Proportional to 121,068,017.63, 167,072,296.68 and 66,062,926.43

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Solution

The fourth proportional to 121,068,017.63, 167,072,296.68 and 66,062,926.43 is: 91,165,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,068,017.63 : 167,072,296.68 = 66,062,926.43 : x
  2. Step 2: Convert to fraction form
    121,068,017.63/167,072,296.68 = 66,062,926.43/x
  3. Step 3: Cross multiply
    121,068,017.63x = 167,072,296.68 × 66,062,926.43
  4. Step 4: Simplify right side
    121,068,017.63x = 11,037,284,844,479,654
  5. Step 5: Solve for x
    x = 11,037,284,844,479,654/121,068,017.63
  6. Step 6: Final answer
    x = 91,165,983.06

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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.