Home / 188,928,357.20-283,392,535.80-155,336,037.20

Finding the Fourth Proportional to 188,928,357.20, 283,392,535.80 and 155,336,037.20

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Solution

The fourth proportional to 188,928,357.20, 283,392,535.80 and 155,336,037.20 is: 233,004,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928,357.20 : 283,392,535.80 = 155,336,037.20 : x
  2. Step 2: Convert to fraction form
    188,928,357.20/283,392,535.80 = 155,336,037.20/x
  3. Step 3: Cross multiply
    188,928,357.20x = 283,392,535.80 × 155,336,037.20
  4. Step 4: Simplify right side
    188,928,357.20x = 44,021,073,483,231,128
  5. Step 5: Solve for x
    x = 44,021,073,483,231,128/188,928,357.20
  6. Step 6: Final answer
    x = 233,004,055.80

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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.