Home / 212,219,028.86-318,328,543.31-58,865,085.32

Finding the Fourth Proportional to 212,219,028.86, 318,328,543.31 and 58,865,085.32

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Solution

The fourth proportional to 212,219,028.86, 318,328,543.31 and 58,865,085.32 is: 88,297,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,219,028.86 : 318,328,543.31 = 58,865,085.32 : x
  2. Step 2: Convert to fraction form
    212,219,028.86/318,328,543.31 = 58,865,085.32/x
  3. Step 3: Cross multiply
    212,219,028.86x = 318,328,543.31 × 58,865,085.32
  4. Step 4: Simplify right side
    212,219,028.86x = 18,738,436,859,848,496
  5. Step 5: Solve for x
    x = 18,738,436,859,848,496/212,219,028.86
  6. Step 6: Final answer
    x = 88,297,627.98

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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.