Home / 75,786,900.56-104,585,848.92-40,979,507.60

Finding the Fourth Proportional to 75,786,900.56, 104,585,848.92 and 40,979,507.60

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Solution

The fourth proportional to 75,786,900.56, 104,585,848.92 and 40,979,507.60 is: 56,551,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786,900.56 : 104,585,848.92 = 40,979,507.60 : x
  2. Step 2: Convert to fraction form
    75,786,900.56/104,585,848.92 = 40,979,507.60/x
  3. Step 3: Cross multiply
    75,786,900.56x = 104,585,848.92 × 40,979,507.60
  4. Step 4: Simplify right side
    75,786,900.56x = 4,285,876,590,669,592
  5. Step 5: Solve for x
    x = 4,285,876,590,669,592/75,786,900.56
  6. Step 6: Final answer
    x = 56,551,680.55

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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.