Home / 119,759,587.20-179,639,380.80-74,409,955.20

Finding the Fourth Proportional to 119,759,587.20, 179,639,380.80 and 74,409,955.20

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Solution

The fourth proportional to 119,759,587.20, 179,639,380.80 and 74,409,955.20 is: 111,614,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759,587.20 : 179,639,380.80 = 74,409,955.20 : x
  2. Step 2: Convert to fraction form
    119,759,587.20/179,639,380.80 = 74,409,955.20/x
  3. Step 3: Cross multiply
    119,759,587.20x = 179,639,380.80 × 74,409,955.20
  4. Step 4: Simplify right side
    119,759,587.20x = 13,366,958,277,483,742
  5. Step 5: Solve for x
    x = 13,366,958,277,483,742/119,759,587.20
  6. Step 6: Final answer
    x = 111,614,932.80

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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.