Home / 318,416,139.32-477,622,640.82-124,347,267.32

Finding the Fourth Proportional to 318,416,139.32, 477,622,640.82 and 124,347,267.32

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Solution

The fourth proportional to 318,416,139.32, 477,622,640.82 and 124,347,267.32 is: 186,520,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,416,139.32 : 477,622,640.82 = 124,347,267.32 : x
  2. Step 2: Convert to fraction form
    318,416,139.32/477,622,640.82 = 124,347,267.32/x
  3. Step 3: Cross multiply
    318,416,139.32x = 477,622,640.82 × 124,347,267.32
  4. Step 4: Simplify right side
    318,416,139.32x = 59,391,070,196,128,880
  5. Step 5: Solve for x
    x = 59,391,070,196,128,880/318,416,139.32
  6. Step 6: Final answer
    x = 186,520,288.59

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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.