Home / 212,219,199.72-318,328,799.58-58,865,256.36

Finding the Fourth Proportional to 212,219,199.72, 318,328,799.58 and 58,865,256.36

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Solution

The fourth proportional to 212,219,199.72, 318,328,799.58 and 58,865,256.36 is: 88,297,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,219,199.72 : 318,328,799.58 = 58,865,256.36 : x
  2. Step 2: Convert to fraction form
    212,219,199.72/318,328,799.58 = 58,865,256.36/x
  3. Step 3: Cross multiply
    212,219,199.72x = 318,328,799.58 × 58,865,256.36
  4. Step 4: Simplify right side
    212,219,199.72x = 18,738,506,394,047,760
  5. Step 5: Solve for x
    x = 18,738,506,394,047,760/212,219,199.72
  6. Step 6: Final answer
    x = 88,297,884.54

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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.