Home / 49,076,886.10-67,722,120.47-28,451,660.89

Finding the Fourth Proportional to 49,076,886.10, 67,722,120.47 and 28,451,660.89

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Solution

The fourth proportional to 49,076,886.10, 67,722,120.47 and 28,451,660.89 is: 39,260,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,076,886.10 : 67,722,120.47 = 28,451,660.89 : x
  2. Step 2: Convert to fraction form
    49,076,886.10/67,722,120.47 = 28,451,660.89/x
  3. Step 3: Cross multiply
    49,076,886.10x = 67,722,120.47 × 28,451,660.89
  4. Step 4: Simplify right side
    49,076,886.10x = 1,926,806,806,364,167.50
  5. Step 5: Solve for x
    x = 1,926,806,806,364,167.50/49,076,886.10
  6. Step 6: Final answer
    x = 39,260,983.32

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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.