Home / 120,669,445.44-166,527,308.16-65,668,786.56

Finding the Fourth Proportional to 120,669,445.44, 166,527,308.16 and 65,668,786.56

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Solution

The fourth proportional to 120,669,445.44, 166,527,308.16 and 65,668,786.56 is: 90,624,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,669,445.44 : 166,527,308.16 = 65,668,786.56 : x
  2. Step 2: Convert to fraction form
    120,669,445.44/166,527,308.16 = 65,668,786.56/x
  3. Step 3: Cross multiply
    120,669,445.44x = 166,527,308.16 × 65,668,786.56
  4. Step 4: Simplify right side
    120,669,445.44x = 10,935,646,255,970,386
  5. Step 5: Solve for x
    x = 10,935,646,255,970,386/120,669,445.44
  6. Step 6: Final answer
    x = 90,624,815.72

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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.