Home / 190,914,418.68-286,254,425.97-74,193,486.47

Finding the Fourth Proportional to 190,914,418.68, 286,254,425.97 and 74,193,486.47

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Solution

The fourth proportional to 190,914,418.68, 286,254,425.97 and 74,193,486.47 is: 111,244,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,914,418.68 : 286,254,425.97 = 74,193,486.47 : x
  2. Step 2: Convert to fraction form
    190,914,418.68/286,254,425.97 = 74,193,486.47/x
  3. Step 3: Cross multiply
    190,914,418.68x = 286,254,425.97 × 74,193,486.47
  4. Step 4: Simplify right side
    190,914,418.68x = 21,238,213,880,182,812
  5. Step 5: Solve for x
    x = 21,238,213,880,182,812/190,914,418.68
  6. Step 6: Final answer
    x = 111,244,682.44

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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.