Home / 101,889,008.31-140,606,232.57-55,479,151.11

Finding the Fourth Proportional to 101,889,008.31, 140,606,232.57 and 55,479,151.11

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Solution

The fourth proportional to 101,889,008.31, 140,606,232.57 and 55,479,151.11 is: 76,560,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,889,008.31 : 140,606,232.57 = 55,479,151.11 : x
  2. Step 2: Convert to fraction form
    101,889,008.31/140,606,232.57 = 55,479,151.11/x
  3. Step 3: Cross multiply
    101,889,008.31x = 140,606,232.57 × 55,479,151.11
  4. Step 4: Simplify right side
    101,889,008.31x = 7,800,714,423,758,833
  5. Step 5: Solve for x
    x = 7,800,714,423,758,833/101,889,008.31
  6. Step 6: Final answer
    x = 76,560,902.43

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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.