Home / 119,759,879.20-179,639,818.80-74,410,247.20

Finding the Fourth Proportional to 119,759,879.20, 179,639,818.80 and 74,410,247.20

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Solution

The fourth proportional to 119,759,879.20, 179,639,818.80 and 74,410,247.20 is: 111,615,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759,879.20 : 179,639,818.80 = 74,410,247.20 : x
  2. Step 2: Convert to fraction form
    119,759,879.20/179,639,818.80 = 74,410,247.20/x
  3. Step 3: Cross multiply
    119,759,879.20x = 179,639,818.80 × 74,410,247.20
  4. Step 4: Simplify right side
    119,759,879.20x = 13,367,043,323,871,208
  5. Step 5: Solve for x
    x = 13,367,043,323,871,208/119,759,879.20
  6. Step 6: Final answer
    x = 111,615,370.80

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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.