Home / 86,086,214.52-129,129,460.29-26,192,981.49

Finding the Fourth Proportional to 86,086,214.52, 129,129,460.29 and 26,192,981.49

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Solution

The fourth proportional to 86,086,214.52, 129,129,460.29 and 26,192,981.49 is: 39,289,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,086,214.52 : 129,129,460.29 = 26,192,981.49 : x
  2. Step 2: Convert to fraction form
    86,086,214.52/129,129,460.29 = 26,192,981.49/x
  3. Step 3: Cross multiply
    86,086,214.52x = 129,129,460.29 × 26,192,981.49
  4. Step 4: Simplify right side
    86,086,214.52x = 3,382,285,563,189,660
  5. Step 5: Solve for x
    x = 3,382,285,563,189,660/86,086,214.52
  6. Step 6: Final answer
    x = 39,289,514.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.