Home / 58,420,786.64-80,198,513.28-50,146,484.02

Finding the Fourth Proportional to 58,420,786.64, 80,198,513.28 and 50,146,484.02

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Solution

The fourth proportional to 58,420,786.64, 80,198,513.28 and 50,146,484.02 is: 68,839,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420,786.64 : 80,198,513.28 = 50,146,484.02 : x
  2. Step 2: Convert to fraction form
    58,420,786.64/80,198,513.28 = 50,146,484.02/x
  3. Step 3: Cross multiply
    58,420,786.64x = 80,198,513.28 × 50,146,484.02
  4. Step 4: Simplify right side
    58,420,786.64x = 4,021,673,464,422,781.50
  5. Step 5: Solve for x
    x = 4,021,673,464,422,781.50/58,420,786.64
  6. Step 6: Final answer
    x = 68,839,769.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.