Home / 119,624,739.48-165,112,853.37-77,912,744.58

Finding the Fourth Proportional to 119,624,739.48, 165,112,853.37 and 77,912,744.58

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Solution

The fourth proportional to 119,624,739.48, 165,112,853.37 and 77,912,744.58 is: 107,539,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,739.48 : 165,112,853.37 = 77,912,744.58 : x
  2. Step 2: Convert to fraction form
    119,624,739.48/165,112,853.37 = 77,912,744.58/x
  3. Step 3: Cross multiply
    119,624,739.48x = 165,112,853.37 × 77,912,744.58
  4. Step 4: Simplify right side
    119,624,739.48x = 12,864,395,571,491,802
  5. Step 5: Solve for x
    x = 12,864,395,571,491,802/119,624,739.48
  6. Step 6: Final answer
    x = 107,539,591.12

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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.