Home / 190,633,101.28-285,819,108.92-97,078,978.56

Finding the Fourth Proportional to 190,633,101.28, 285,819,108.92 and 97,078,978.56

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Solution

The fourth proportional to 190,633,101.28, 285,819,108.92 and 97,078,978.56 is: 145,551,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,633,101.28 : 285,819,108.92 = 97,078,978.56 : x
  2. Step 2: Convert to fraction form
    190,633,101.28/285,819,108.92 = 97,078,978.56/x
  3. Step 3: Cross multiply
    190,633,101.28x = 285,819,108.92 × 97,078,978.56
  4. Step 4: Simplify right side
    190,633,101.28x = 27,747,027,146,772,568
  5. Step 5: Solve for x
    x = 27,747,027,146,772,568/190,633,101.28
  6. Step 6: Final answer
    x = 145,551,989.45

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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.