Home / 127,203,033.90-190,804,550.85-86,892,249.90

Finding the Fourth Proportional to 127,203,033.90, 190,804,550.85 and 86,892,249.90

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Solution

The fourth proportional to 127,203,033.90, 190,804,550.85 and 86,892,249.90 is: 130,338,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,203,033.90 : 190,804,550.85 = 86,892,249.90 : x
  2. Step 2: Convert to fraction form
    127,203,033.90/190,804,550.85 = 86,892,249.90/x
  3. Step 3: Cross multiply
    127,203,033.90x = 190,804,550.85 × 86,892,249.90
  4. Step 4: Simplify right side
    127,203,033.90x = 16,579,436,714,515,458
  5. Step 5: Solve for x
    x = 16,579,436,714,515,458/127,203,033.90
  6. Step 6: Final answer
    x = 130,338,374.85

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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.