Home / 461,375,137.85-692,064,502.26-111,620,644.57

Finding the Fourth Proportional to 461,375,137.85, 692,064,502.26 and 111,620,644.57

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Solution

The fourth proportional to 461,375,137.85, 692,064,502.26 and 111,620,644.57 is: 167,431,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,375,137.85 : 692,064,502.26 = 111,620,644.57 : x
  2. Step 2: Convert to fraction form
    461,375,137.85/692,064,502.26 = 111,620,644.57/x
  3. Step 3: Cross multiply
    461,375,137.85x = 692,064,502.26 × 111,620,644.57
  4. Step 4: Simplify right side
    461,375,137.85x = 77,248,685,822,258,992
  5. Step 5: Solve for x
    x = 77,248,685,822,258,992/461,375,137.85
  6. Step 6: Final answer
    x = 167,431,401.23

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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.