Home / 195,764,653.56-270,149,038.04-107,658,378.76

Finding the Fourth Proportional to 195,764,653.56, 270,149,038.04 and 107,658,378.76

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Solution

The fourth proportional to 195,764,653.56, 270,149,038.04 and 107,658,378.76 is: 148,565,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,764,653.56 : 270,149,038.04 = 107,658,378.76 : x
  2. Step 2: Convert to fraction form
    195,764,653.56/270,149,038.04 = 107,658,378.76/x
  3. Step 3: Cross multiply
    195,764,653.56x = 270,149,038.04 × 107,658,378.76
  4. Step 4: Simplify right side
    195,764,653.56x = 29,083,807,458,959,972
  5. Step 5: Solve for x
    x = 29,083,807,458,959,972/195,764,653.56
  6. Step 6: Final answer
    x = 148,565,161.94

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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.