Home / 455,122,721.91-682,684,414.70-110,076,681.18

Finding the Fourth Proportional to 455,122,721.91, 682,684,414.70 and 110,076,681.18

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Solution

The fourth proportional to 455,122,721.91, 682,684,414.70 and 110,076,681.18 is: 165,115,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,122,721.91 : 682,684,414.70 = 110,076,681.18 : x
  2. Step 2: Convert to fraction form
    455,122,721.91/682,684,414.70 = 110,076,681.18/x
  3. Step 3: Cross multiply
    455,122,721.91x = 682,684,414.70 × 110,076,681.18
  4. Step 4: Simplify right side
    455,122,721.91x = 75,147,634,662,936,432
  5. Step 5: Solve for x
    x = 75,147,634,662,936,432/455,122,721.91
  6. Step 6: Final answer
    x = 165,115,102.03

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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.