Home / 136,810,892.82-188,799,214.21-74,087,099.02

Finding the Fourth Proportional to 136,810,892.82, 188,799,214.21 and 74,087,099.02

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Solution

The fourth proportional to 136,810,892.82, 188,799,214.21 and 74,087,099.02 is: 102,240,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,810,892.82 : 188,799,214.21 = 74,087,099.02 : x
  2. Step 2: Convert to fraction form
    136,810,892.82/188,799,214.21 = 74,087,099.02/x
  3. Step 3: Cross multiply
    136,810,892.82x = 188,799,214.21 × 74,087,099.02
  4. Step 4: Simplify right side
    136,810,892.82x = 13,987,586,078,074,460
  5. Step 5: Solve for x
    x = 13,987,586,078,074,460/136,810,892.82
  6. Step 6: Final answer
    x = 102,240,295.27

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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.