Home / 69,320,863.08-95,663,798.82-39,935,981.16

Finding the Fourth Proportional to 69,320,863.08, 95,663,798.82 and 39,935,981.16

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Solution

The fourth proportional to 69,320,863.08, 95,663,798.82 and 39,935,981.16 is: 55,112,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320,863.08 : 95,663,798.82 = 39,935,981.16 : x
  2. Step 2: Convert to fraction form
    69,320,863.08/95,663,798.82 = 39,935,981.16/x
  3. Step 3: Cross multiply
    69,320,863.08x = 95,663,798.82 × 39,935,981.16
  4. Step 4: Simplify right side
    69,320,863.08x = 3,820,427,667,369,549.50
  5. Step 5: Solve for x
    x = 3,820,427,667,369,549.50/69,320,863.08
  6. Step 6: Final answer
    x = 55,112,234.58

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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.