Home / 197,629,143.40-296,505,667.95-118,931,520.20

Finding the Fourth Proportional to 197,629,143.40, 296,505,667.95 and 118,931,520.20

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Solution

The fourth proportional to 197,629,143.40, 296,505,667.95 and 118,931,520.20 is: 178,434,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,629,143.40 : 296,505,667.95 = 118,931,520.20 : x
  2. Step 2: Convert to fraction form
    197,629,143.40/296,505,667.95 = 118,931,520.20/x
  3. Step 3: Cross multiply
    197,629,143.40x = 296,505,667.95 × 118,931,520.20
  4. Step 4: Simplify right side
    197,629,143.40x = 35,263,869,836,615,260
  5. Step 5: Solve for x
    x = 35,263,869,836,615,260/197,629,143.40
  6. Step 6: Final answer
    x = 178,434,562.99

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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.