Home / 212,544,025.20-318,816,037.80-212,544,025.20

Finding the Fourth Proportional to 212,544,025.20, 318,816,037.80 and 212,544,025.20

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Solution

The fourth proportional to 212,544,025.20, 318,816,037.80 and 212,544,025.20 is: 318,816,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,544,025.20 : 318,816,037.80 = 212,544,025.20 : x
  2. Step 2: Convert to fraction form
    212,544,025.20/318,816,037.80 = 212,544,025.20/x
  3. Step 3: Cross multiply
    212,544,025.20x = 318,816,037.80 × 212,544,025.20
  4. Step 4: Simplify right side
    212,544,025.20x = 67,762,443,972,327,352
  5. Step 5: Solve for x
    x = 67,762,443,972,327,352/212,544,025.20
  6. Step 6: Final answer
    x = 318,816,037.80

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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.