Home / 119,624,738.46-165,112,852-77,912,743.56

Finding the Fourth Proportional to 119,624,738.46, 165,112,852 and 77,912,743.56

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Solution

The fourth proportional to 119,624,738.46, 165,112,852 and 77,912,743.56 is: 107,539,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,738.46 : 165,112,852 = 77,912,743.56 : x
  2. Step 2: Convert to fraction form
    119,624,738.46/165,112,852 = 77,912,743.56/x
  3. Step 3: Cross multiply
    119,624,738.46x = 165,112,852 × 77,912,743.56
  4. Step 4: Simplify right side
    119,624,738.46x = 12,864,395,296,336,234
  5. Step 5: Solve for x
    x = 12,864,395,296,336,234/119,624,738.46
  6. Step 6: Final answer
    x = 107,539,589.74

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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.