Home / 205,276,959.36-307,889,752.32-67,091,013.36

Finding the Fourth Proportional to 205,276,959.36, 307,889,752.32 and 67,091,013.36

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Solution

The fourth proportional to 205,276,959.36, 307,889,752.32 and 67,091,013.36 is: 100,628,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,276,959.36 : 307,889,752.32 = 67,091,013.36 : x
  2. Step 2: Convert to fraction form
    205,276,959.36/307,889,752.32 = 67,091,013.36/x
  3. Step 3: Cross multiply
    205,276,959.36x = 307,889,752.32 × 67,091,013.36
  4. Step 4: Simplify right side
    205,276,959.36x = 20,656,635,486,308,212
  5. Step 5: Solve for x
    x = 20,656,635,486,308,212/205,276,959.36
  6. Step 6: Final answer
    x = 100,628,124.81

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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.