Home / 189,216,003.20-283,824,004.80-108,370,486.40

Finding the Fourth Proportional to 189,216,003.20, 283,824,004.80 and 108,370,486.40

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Solution

The fourth proportional to 189,216,003.20, 283,824,004.80 and 108,370,486.40 is: 162,555,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,216,003.20 : 283,824,004.80 = 108,370,486.40 : x
  2. Step 2: Convert to fraction form
    189,216,003.20/283,824,004.80 = 108,370,486.40/x
  3. Step 3: Cross multiply
    189,216,003.20x = 283,824,004.80 × 108,370,486.40
  4. Step 4: Simplify right side
    189,216,003.20x = 30,758,145,452,171,936
  5. Step 5: Solve for x
    x = 30,758,145,452,171,936/189,216,003.20
  6. Step 6: Final answer
    x = 162,555,729.60

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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.