Home / 237,376,257.40-356,064,386.10-133,638,974.20

Finding the Fourth Proportional to 237,376,257.40, 356,064,386.10 and 133,638,974.20

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Solution

The fourth proportional to 237,376,257.40, 356,064,386.10 and 133,638,974.20 is: 200,458,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,376,257.40 : 356,064,386.10 = 133,638,974.20 : x
  2. Step 2: Convert to fraction form
    237,376,257.40/356,064,386.10 = 133,638,974.20/x
  3. Step 3: Cross multiply
    237,376,257.40x = 356,064,386.10 × 133,638,974.20
  4. Step 4: Simplify right side
    237,376,257.40x = 47,584,079,307,556,744
  5. Step 5: Solve for x
    x = 47,584,079,307,556,744/237,376,257.40
  6. Step 6: Final answer
    x = 200,458,461.30

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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.