Home / 212,026,037.70-318,039,056.55-212,026,037.70

Finding the Fourth Proportional to 212,026,037.70, 318,039,056.55 and 212,026,037.70

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Solution

The fourth proportional to 212,026,037.70, 318,039,056.55 and 212,026,037.70 is: 318,039,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,026,037.70 : 318,039,056.55 = 212,026,037.70 : x
  2. Step 2: Convert to fraction form
    212,026,037.70/318,039,056.55 = 212,026,037.70/x
  3. Step 3: Cross multiply
    212,026,037.70x = 318,039,056.55 × 212,026,037.70
  4. Step 4: Simplify right side
    212,026,037.70x = 67,432,560,994,142,728
  5. Step 5: Solve for x
    x = 67,432,560,994,142,728/212,026,037.70
  6. Step 6: Final answer
    x = 318,039,056.55

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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.