Home / 212,536,386.20-318,804,579.30-212,536,386.20

Finding the Fourth Proportional to 212,536,386.20, 318,804,579.30 and 212,536,386.20

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Solution

The fourth proportional to 212,536,386.20, 318,804,579.30 and 212,536,386.20 is: 318,804,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,536,386.20 : 318,804,579.30 = 212,536,386.20 : x
  2. Step 2: Convert to fraction form
    212,536,386.20/318,804,579.30 = 212,536,386.20/x
  3. Step 3: Cross multiply
    212,536,386.20x = 318,804,579.30 × 212,536,386.20
  4. Step 4: Simplify right side
    212,536,386.20x = 67,757,573,188,433,328
  5. Step 5: Solve for x
    x = 67,757,573,188,433,328/212,536,386.20
  6. Step 6: Final answer
    x = 318,804,579.30

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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.