Home / 103,589,000.10-155,383,500.15-69,526,664.10

Finding the Fourth Proportional to 103,589,000.10, 155,383,500.15 and 69,526,664.10

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Solution

The fourth proportional to 103,589,000.10, 155,383,500.15 and 69,526,664.10 is: 104,289,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,000.10 : 155,383,500.15 = 69,526,664.10 : x
  2. Step 2: Convert to fraction form
    103,589,000.10/155,383,500.15 = 69,526,664.10/x
  3. Step 3: Cross multiply
    103,589,000.10x = 155,383,500.15 × 69,526,664.10
  4. Step 4: Simplify right side
    103,589,000.10x = 10,803,296,421,611,350
  5. Step 5: Solve for x
    x = 10,803,296,421,611,350/103,589,000.10
  6. Step 6: Final answer
    x = 104,289,996.15

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Similar ratio
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1.5x scale

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.