Home / 288,765,017.20-432,956,236.20-159,434,585.20

Finding the Fourth Proportional to 288,765,017.20, 432,956,236.20 and 159,434,585.20

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Solution

The fourth proportional to 288,765,017.20, 432,956,236.20 and 159,434,585.20 is: 239,046,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,765,017.20 : 432,956,236.20 = 159,434,585.20 : x
  2. Step 2: Convert to fraction form
    288,765,017.20/432,956,236.20 = 159,434,585.20/x
  3. Step 3: Cross multiply
    288,765,017.20x = 432,956,236.20 × 159,434,585.20
  4. Step 4: Simplify right side
    288,765,017.20x = 69,028,197,928,300,216
  5. Step 5: Solve for x
    x = 69,028,197,928,300,216/288,765,017.20
  6. Step 6: Final answer
    x = 239,046,261.90

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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.