Home / 136,560,388.32-188,470,550.93-89,556,990.66

Finding the Fourth Proportional to 136,560,388.32, 188,470,550.93 and 89,556,990.66

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Solution

The fourth proportional to 136,560,388.32, 188,470,550.93 and 89,556,990.66 is: 123,599,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,560,388.32 : 188,470,550.93 = 89,556,990.66 : x
  2. Step 2: Convert to fraction form
    136,560,388.32/188,470,550.93 = 89,556,990.66/x
  3. Step 3: Cross multiply
    136,560,388.32x = 188,470,550.93 × 89,556,990.66
  4. Step 4: Simplify right side
    136,560,388.32x = 16,878,855,368,875,280
  5. Step 5: Solve for x
    x = 16,878,855,368,875,280/136,560,388.32
  6. Step 6: Final answer
    x = 123,599,936.82

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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.