Home / 127,203,033.40-190,804,550.10-86,892,249.40

Finding the Fourth Proportional to 127,203,033.40, 190,804,550.10 and 86,892,249.40

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Solution

The fourth proportional to 127,203,033.40, 190,804,550.10 and 86,892,249.40 is: 130,338,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,203,033.40 : 190,804,550.10 = 86,892,249.40 : x
  2. Step 2: Convert to fraction form
    127,203,033.40/190,804,550.10 = 86,892,249.40/x
  3. Step 3: Cross multiply
    127,203,033.40x = 190,804,550.10 × 86,892,249.40
  4. Step 4: Simplify right side
    127,203,033.40x = 16,579,436,553,943,996
  5. Step 5: Solve for x
    x = 16,579,436,553,943,996/127,203,033.40
  6. Step 6: Final answer
    x = 130,338,374.10

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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.