Home / 309,372,710.46-426,925,819.98-170,143,522.80

Finding the Fourth Proportional to 309,372,710.46, 426,925,819.98 and 170,143,522.80

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Solution

The fourth proportional to 309,372,710.46, 426,925,819.98 and 170,143,522.80 is: 234,793,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,372,710.46 : 426,925,819.98 = 170,143,522.80 : x
  2. Step 2: Convert to fraction form
    309,372,710.46/426,925,819.98 = 170,143,522.80/x
  3. Step 3: Cross multiply
    309,372,710.46x = 426,925,819.98 × 170,143,522.80
  4. Step 4: Simplify right side
    309,372,710.46x = 72,638,662,985,675,840
  5. Step 5: Solve for x
    x = 72,638,662,985,675,840/309,372,710.46
  6. Step 6: Final answer
    x = 234,793,375.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.