Home / 121,717,914.58-167,974,784.31-66,713,912.02

Finding the Fourth Proportional to 121,717,914.58, 167,974,784.31 and 66,713,912.02

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Solution

The fourth proportional to 121,717,914.58, 167,974,784.31 and 66,713,912.02 is: 92,067,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717,914.58 : 167,974,784.31 = 66,713,912.02 : x
  2. Step 2: Convert to fraction form
    121,717,914.58/167,974,784.31 = 66,713,912.02/x
  3. Step 3: Cross multiply
    121,717,914.58x = 167,974,784.31 × 66,713,912.02
  4. Step 4: Simplify right side
    121,717,914.58x = 11,206,254,982,035,818
  5. Step 5: Solve for x
    x = 11,206,254,982,035,818/121,717,914.58
  6. Step 6: Final answer
    x = 92,067,425.08

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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.