Home / 147,899,810,908.98-221,993,175,360.43-71,376,108,890.54

Finding the Fourth Proportional to 147,899,810,908.98, 221,993,175,360.43 and 71,376,108,890.54

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Solution

The fourth proportional to 147,899,810,908.98, 221,993,175,360.43 and 71,376,108,890.54 is: 107,133,396,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899,810,908.98 : 221,993,175,360.43 = 71,376,108,890.54 : x
  2. Step 2: Convert to fraction form
    147,899,810,908.98/221,993,175,360.43 = 71,376,108,890.54/x
  3. Step 3: Cross multiply
    147,899,810,908.98x = 221,993,175,360.43 × 71,376,108,890.54
  4. Step 4: Simplify right side
    147,899,810,908.98x = 15,845,009,057,481,683,369,984
  5. Step 5: Solve for x
    x = 15,845,009,057,481,683,369,984/147,899,810,908.98
  6. Step 6: Final answer
    x = 107,133,396,318.09

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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.