Home / 212,354,063.44-318,206,609.76-143,010,460.78

Finding the Fourth Proportional to 212,354,063.44, 318,206,609.76 and 143,010,460.78

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Solution

The fourth proportional to 212,354,063.44, 318,206,609.76 and 143,010,460.78 is: 214,297,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,354,063.44 : 318,206,609.76 = 143,010,460.78 : x
  2. Step 2: Convert to fraction form
    212,354,063.44/318,206,609.76 = 143,010,460.78/x
  3. Step 3: Cross multiply
    212,354,063.44x = 318,206,609.76 × 143,010,460.78
  4. Step 4: Simplify right side
    212,354,063.44x = 45,506,873,885,019,248
  5. Step 5: Solve for x
    x = 45,506,873,885,019,248/212,354,063.44
  6. Step 6: Final answer
    x = 214,297,165.53

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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.