Home / 147,732,593.31-203,864,645.48-81,649,674.27

Finding the Fourth Proportional to 147,732,593.31, 203,864,645.48 and 81,649,674.27

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Solution

The fourth proportional to 147,732,593.31, 203,864,645.48 and 81,649,674.27 is: 112,673,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,732,593.31 : 203,864,645.48 = 81,649,674.27 : x
  2. Step 2: Convert to fraction form
    147,732,593.31/203,864,645.48 = 81,649,674.27/x
  3. Step 3: Cross multiply
    147,732,593.31x = 203,864,645.48 × 81,649,674.27
  4. Step 4: Simplify right side
    147,732,593.31x = 16,645,481,898,202,778
  5. Step 5: Solve for x
    x = 16,645,481,898,202,778/147,732,593.31
  6. Step 6: Final answer
    x = 112,673,050.17

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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.