Home / 147,127,939.70-203,042,855.49-81,937,843.70

Finding the Fourth Proportional to 147,127,939.70, 203,042,855.49 and 81,937,843.70

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Solution

The fourth proportional to 147,127,939.70, 203,042,855.49 and 81,937,843.70 is: 113,077,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,127,939.70 : 203,042,855.49 = 81,937,843.70 : x
  2. Step 2: Convert to fraction form
    147,127,939.70/203,042,855.49 = 81,937,843.70/x
  3. Step 3: Cross multiply
    147,127,939.70x = 203,042,855.49 × 81,937,843.70
  4. Step 4: Simplify right side
    147,127,939.70x = 16,636,893,757,541,308
  5. Step 5: Solve for x
    x = 16,636,893,757,541,308/147,127,939.70
  6. Step 6: Final answer
    x = 113,077,732.15

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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.