Home / 105,003,000.70-157,504,501.05-68,723,295.10

Finding the Fourth Proportional to 105,003,000.70, 157,504,501.05 and 68,723,295.10

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Solution

The fourth proportional to 105,003,000.70, 157,504,501.05 and 68,723,295.10 is: 103,084,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003,000.70 : 157,504,501.05 = 68,723,295.10 : x
  2. Step 2: Convert to fraction form
    105,003,000.70/157,504,501.05 = 68,723,295.10/x
  3. Step 3: Cross multiply
    105,003,000.70x = 157,504,501.05 × 68,723,295.10
  4. Step 4: Simplify right side
    105,003,000.70x = 10,824,228,305,237,410
  5. Step 5: Solve for x
    x = 10,824,228,305,237,410/105,003,000.70
  6. Step 6: Final answer
    x = 103,084,942.65

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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.