Home / 68,188,857.90-102,282,586.98-39,416,685.90

Finding the Fourth Proportional to 68,188,857.90, 102,282,586.98 and 39,416,685.90

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Solution

The fourth proportional to 68,188,857.90, 102,282,586.98 and 39,416,685.90 is: 59,124,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188,857.90 : 102,282,586.98 = 39,416,685.90 : x
  2. Step 2: Convert to fraction form
    68,188,857.90/102,282,586.98 = 39,416,685.90/x
  3. Step 3: Cross multiply
    68,188,857.90x = 102,282,586.98 × 39,416,685.90
  4. Step 4: Simplify right side
    68,188,857.90x = 4,031,640,604,030,089.50
  5. Step 5: Solve for x
    x = 4,031,640,604,030,089.50/68,188,857.90
  6. Step 6: Final answer
    x = 59,124,624.29

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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.