Home / 119,395,440.40-179,048,923.80-38,619,043.60

Finding the Fourth Proportional to 119,395,440.40, 179,048,923.80 and 38,619,043.60

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Solution

The fourth proportional to 119,395,440.40, 179,048,923.80 and 38,619,043.60 is: 57,914,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,395,440.40 : 179,048,923.80 = 38,619,043.60 : x
  2. Step 2: Convert to fraction form
    119,395,440.40/179,048,923.80 = 38,619,043.60/x
  3. Step 3: Cross multiply
    119,395,440.40x = 179,048,923.80 × 38,619,043.60
  4. Step 4: Simplify right side
    119,395,440.40x = 6,914,698,194,765,278
  5. Step 5: Solve for x
    x = 6,914,698,194,765,278/119,395,440.40
  6. Step 6: Final answer
    x = 57,914,256.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.