Home / 101,728,837.92-140,389,488-58,277,172

Finding the Fourth Proportional to 101,728,837.92, 140,389,488 and 58,277,172

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Solution

The fourth proportional to 101,728,837.92, 140,389,488 and 58,277,172 is: 80,424,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,728,837.92 : 140,389,488 = 58,277,172 : x
  2. Step 2: Convert to fraction form
    101,728,837.92/140,389,488 = 58,277,172/x
  3. Step 3: Cross multiply
    101,728,837.92x = 140,389,488 × 58,277,172
  4. Step 4: Simplify right side
    101,728,837.92x = 8,181,502,339,167,936
  5. Step 5: Solve for x
    x = 8,181,502,339,167,936/101,728,837.92
  6. Step 6: Final answer
    x = 80,424,612.20

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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.