Home / 74,022,643.90-111,273,114.30-68,283,081.10

Finding the Fourth Proportional to 74,022,643.90, 111,273,114.30 and 68,283,081.10

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Solution

The fourth proportional to 74,022,643.90, 111,273,114.30 and 68,283,081.10 is: 102,645,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022,643.90 : 111,273,114.30 = 68,283,081.10 : x
  2. Step 2: Convert to fraction form
    74,022,643.90/111,273,114.30 = 68,283,081.10/x
  3. Step 3: Cross multiply
    74,022,643.90x = 111,273,114.30 × 68,283,081.10
  4. Step 4: Simplify right side
    74,022,643.90x = 7,598,071,087,996,469
  5. Step 5: Solve for x
    x = 7,598,071,087,996,469/74,022,643.90
  6. Step 6: Final answer
    x = 102,645,227.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.