Home / 55,143,077.80-82,714,616.70-28,269,221.80

Finding the Fourth Proportional to 55,143,077.80, 82,714,616.70 and 28,269,221.80

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Solution

The fourth proportional to 55,143,077.80, 82,714,616.70 and 28,269,221.80 is: 42,403,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,077.80 : 82,714,616.70 = 28,269,221.80 : x
  2. Step 2: Convert to fraction form
    55,143,077.80/82,714,616.70 = 28,269,221.80/x
  3. Step 3: Cross multiply
    55,143,077.80x = 82,714,616.70 × 28,269,221.80
  4. Step 4: Simplify right side
    55,143,077.80x = 2,338,277,845,594,284
  5. Step 5: Solve for x
    x = 2,338,277,845,594,284/55,143,077.80
  6. Step 6: Final answer
    x = 42,403,832.70

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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.