Home / 212,010,233.10-318,036,344.85-73,814,577.90

Finding the Fourth Proportional to 212,010,233.10, 318,036,344.85 and 73,814,577.90

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Solution

The fourth proportional to 212,010,233.10, 318,036,344.85 and 73,814,577.90 is: 110,729,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,010,233.10 : 318,036,344.85 = 73,814,577.90 : x
  2. Step 2: Convert to fraction form
    212,010,233.10/318,036,344.85 = 73,814,577.90/x
  3. Step 3: Cross multiply
    212,010,233.10x = 318,036,344.85 × 73,814,577.90
  4. Step 4: Simplify right side
    212,010,233.10x = 23,475,718,551,961,592
  5. Step 5: Solve for x
    x = 23,475,718,551,961,592/212,010,233.10
  6. Step 6: Final answer
    x = 110,729,176.65

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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.