Home / 147,644,033.78-203,754,593.77-84,920,031.11

Finding the Fourth Proportional to 147,644,033.78, 203,754,593.77 and 84,920,031.11

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Solution

The fourth proportional to 147,644,033.78, 203,754,593.77 and 84,920,031.11 is: 117,192,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644,033.78 : 203,754,593.77 = 84,920,031.11 : x
  2. Step 2: Convert to fraction form
    147,644,033.78/203,754,593.77 = 84,920,031.11/x
  3. Step 3: Cross multiply
    147,644,033.78x = 203,754,593.77 × 84,920,031.11
  4. Step 4: Simplify right side
    147,644,033.78x = 17,302,846,441,753,812
  5. Step 5: Solve for x
    x = 17,302,846,441,753,812/147,644,033.78
  6. Step 6: Final answer
    x = 117,192,994.52

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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.