Home / 258,691,185.51-356,946,073.32-147,175,516.05

Finding the Fourth Proportional to 258,691,185.51, 356,946,073.32 and 147,175,516.05

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Solution

The fourth proportional to 258,691,185.51, 356,946,073.32 and 147,175,516.05 is: 203,075,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,691,185.51 : 356,946,073.32 = 147,175,516.05 : x
  2. Step 2: Convert to fraction form
    258,691,185.51/356,946,073.32 = 147,175,516.05/x
  3. Step 3: Cross multiply
    258,691,185.51x = 356,946,073.32 × 147,175,516.05
  4. Step 4: Simplify right side
    258,691,185.51x = 52,533,722,542,892,136
  5. Step 5: Solve for x
    x = 52,533,722,542,892,136/258,691,185.51
  6. Step 6: Final answer
    x = 203,075,038.83

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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.