Home / 147,410,514-203,425,936.92-81,335,124.72

Finding the Fourth Proportional to 147,410,514, 203,425,936.92 and 81,335,124.72

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Solution

The fourth proportional to 147,410,514, 203,425,936.92 and 81,335,124.72 is: 112,242,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410,514 : 203,425,936.92 = 81,335,124.72 : x
  2. Step 2: Convert to fraction form
    147,410,514/203,425,936.92 = 81,335,124.72/x
  3. Step 3: Cross multiply
    147,410,514x = 203,425,936.92 × 81,335,124.72
  4. Step 4: Simplify right side
    147,410,514x = 16,545,673,950,671,052
  5. Step 5: Solve for x
    x = 16,545,673,950,671,052/147,410,514
  6. Step 6: Final answer
    x = 112,242,156.29

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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.