Home / 70,010,226.53-105,014,495.06-18,190,243.85

Finding the Fourth Proportional to 70,010,226.53, 105,014,495.06 and 18,190,243.85

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Solution

The fourth proportional to 70,010,226.53, 105,014,495.06 and 18,190,243.85 is: 27,285,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010,226.53 : 105,014,495.06 = 18,190,243.85 : x
  2. Step 2: Convert to fraction form
    70,010,226.53/105,014,495.06 = 18,190,243.85/x
  3. Step 3: Cross multiply
    70,010,226.53x = 105,014,495.06 × 18,190,243.85
  4. Step 4: Simplify right side
    70,010,226.53x = 1,910,239,273,097,605.50
  5. Step 5: Solve for x
    x = 1,910,239,273,097,605.50/70,010,226.53
  6. Step 6: Final answer
    x = 27,285,146.30

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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.