Home / 195,069,556.32-268,935,571.40-154,968,607.72

Finding the Fourth Proportional to 195,069,556.32, 268,935,571.40 and 154,968,607.72

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Solution

The fourth proportional to 195,069,556.32, 268,935,571.40 and 154,968,607.72 is: 213,649,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,069,556.32 : 268,935,571.40 = 154,968,607.72 : x
  2. Step 2: Convert to fraction form
    195,069,556.32/268,935,571.40 = 154,968,607.72/x
  3. Step 3: Cross multiply
    195,069,556.32x = 268,935,571.40 × 154,968,607.72
  4. Step 4: Simplify right side
    195,069,556.32x = 41,676,571,066,240,648
  5. Step 5: Solve for x
    x = 41,676,571,066,240,648/195,069,556.32
  6. Step 6: Final answer
    x = 213,649,796.78

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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.