Home / 68,710,234.80-103,065,352.20-65,351,002.80

Finding the Fourth Proportional to 68,710,234.80, 103,065,352.20 and 65,351,002.80

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Solution

The fourth proportional to 68,710,234.80, 103,065,352.20 and 65,351,002.80 is: 98,026,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,710,234.80 : 103,065,352.20 = 65,351,002.80 : x
  2. Step 2: Convert to fraction form
    68,710,234.80/103,065,352.20 = 65,351,002.80/x
  3. Step 3: Cross multiply
    68,710,234.80x = 103,065,352.20 × 65,351,002.80
  4. Step 4: Simplify right side
    68,710,234.80x = 6,735,424,120,205,186
  5. Step 5: Solve for x
    x = 6,735,424,120,205,186/68,710,234.80
  6. Step 6: Final answer
    x = 98,026,504.20

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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.