Home / 53,448,936.30-80,173,671.37-18,905,369.92

Finding the Fourth Proportional to 53,448,936.30, 80,173,671.37 and 18,905,369.92

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Solution

The fourth proportional to 53,448,936.30, 80,173,671.37 and 18,905,369.92 is: 28,358,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448,936.30 : 80,173,671.37 = 18,905,369.92 : x
  2. Step 2: Convert to fraction form
    53,448,936.30/80,173,671.37 = 18,905,369.92/x
  3. Step 3: Cross multiply
    53,448,936.30x = 80,173,671.37 × 18,905,369.92
  4. Step 4: Simplify right side
    53,448,936.30x = 1,515,712,915,094,363.50
  5. Step 5: Solve for x
    x = 1,515,712,915,094,363.50/53,448,936.30
  6. Step 6: Final answer
    x = 28,358,149.29

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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.