Home / 138,222,509.36-190,745,929.33-75,498,647.32

Finding the Fourth Proportional to 138,222,509.36, 190,745,929.33 and 75,498,647.32

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Solution

The fourth proportional to 138,222,509.36, 190,745,929.33 and 75,498,647.32 is: 104,187,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,222,509.36 : 190,745,929.33 = 75,498,647.32 : x
  2. Step 2: Convert to fraction form
    138,222,509.36/190,745,929.33 = 75,498,647.32/x
  3. Step 3: Cross multiply
    138,222,509.36x = 190,745,929.33 × 75,498,647.32
  4. Step 4: Simplify right side
    138,222,509.36x = 14,401,059,645,311,508
  5. Step 5: Solve for x
    x = 14,401,059,645,311,508/138,222,509.36
  6. Step 6: Final answer
    x = 104,187,514.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.