Home / 142,170,019.60-212,936,164.80-142,170,019.60

Finding the Fourth Proportional to 142,170,019.60, 212,936,164.80 and 142,170,019.60

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Solution

The fourth proportional to 142,170,019.60, 212,936,164.80 and 142,170,019.60 is: 212,936,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,170,019.60 : 212,936,164.80 = 142,170,019.60 : x
  2. Step 2: Convert to fraction form
    142,170,019.60/212,936,164.80 = 142,170,019.60/x
  3. Step 3: Cross multiply
    142,170,019.60x = 212,936,164.80 × 142,170,019.60
  4. Step 4: Simplify right side
    142,170,019.60x = 30,273,138,723,164,832
  5. Step 5: Solve for x
    x = 30,273,138,723,164,832/142,170,019.60
  6. Step 6: Final answer
    x = 212,936,164.80

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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.