Home / 143,551,942.94-198,075,550.08-80,818,285.34

Finding the Fourth Proportional to 143,551,942.94, 198,075,550.08 and 80,818,285.34

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Solution

The fourth proportional to 143,551,942.94, 198,075,550.08 and 80,818,285.34 is: 111,514,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,551,942.94 : 198,075,550.08 = 80,818,285.34 : x
  2. Step 2: Convert to fraction form
    143,551,942.94/198,075,550.08 = 80,818,285.34/x
  3. Step 3: Cross multiply
    143,551,942.94x = 198,075,550.08 × 80,818,285.34
  4. Step 4: Simplify right side
    143,551,942.94x = 16,008,126,325,242,902
  5. Step 5: Solve for x
    x = 16,008,126,325,242,902/143,551,942.94
  6. Step 6: Final answer
    x = 111,514,522.18

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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.