Home / 143,804,554.78-215,706,832.17-99,801,239.98

Finding the Fourth Proportional to 143,804,554.78, 215,706,832.17 and 99,801,239.98

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Solution

The fourth proportional to 143,804,554.78, 215,706,832.17 and 99,801,239.98 is: 149,701,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,554.78 : 215,706,832.17 = 99,801,239.98 : x
  2. Step 2: Convert to fraction form
    143,804,554.78/215,706,832.17 = 99,801,239.98/x
  3. Step 3: Cross multiply
    143,804,554.78x = 215,706,832.17 × 99,801,239.98
  4. Step 4: Simplify right side
    143,804,554.78x = 21,527,809,322,723,752
  5. Step 5: Solve for x
    x = 21,527,809,322,723,752/143,804,554.78
  6. Step 6: Final answer
    x = 149,701,859.97

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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.