Home / 54,029,754.72-81,076,909.83-49,633,991.64

Finding the Fourth Proportional to 54,029,754.72, 81,076,909.83 and 49,633,991.64

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Solution

The fourth proportional to 54,029,754.72, 81,076,909.83 and 49,633,991.64 is: 74,480,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,029,754.72 : 81,076,909.83 = 49,633,991.64 : x
  2. Step 2: Convert to fraction form
    54,029,754.72/81,076,909.83 = 49,633,991.64/x
  3. Step 3: Cross multiply
    54,029,754.72x = 81,076,909.83 × 49,633,991.64
  4. Step 4: Simplify right side
    54,029,754.72x = 4,024,170,664,699,254
  5. Step 5: Solve for x
    x = 4,024,170,664,699,254/54,029,754.72
  6. Step 6: Final answer
    x = 74,480,639.15

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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.