Home / 192,003,072.81-264,964,701.05-103,898,015.90

Finding the Fourth Proportional to 192,003,072.81, 264,964,701.05 and 103,898,015.90

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Solution

The fourth proportional to 192,003,072.81, 264,964,701.05 and 103,898,015.90 is: 143,379,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,003,072.81 : 264,964,701.05 = 103,898,015.90 : x
  2. Step 2: Convert to fraction form
    192,003,072.81/264,964,701.05 = 103,898,015.90/x
  3. Step 3: Cross multiply
    192,003,072.81x = 264,964,701.05 × 103,898,015.90
  4. Step 4: Simplify right side
    192,003,072.81x = 27,529,306,724,101,808
  5. Step 5: Solve for x
    x = 27,529,306,724,101,808/192,003,072.81
  6. Step 6: Final answer
    x = 143,379,511.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.