Home / 196,533,638.30-271,214,550.47-108,428,347.67

Finding the Fourth Proportional to 196,533,638.30, 271,214,550.47 and 108,428,347.67

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Solution

The fourth proportional to 196,533,638.30, 271,214,550.47 and 108,428,347.67 is: 149,630,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,533,638.30 : 271,214,550.47 = 108,428,347.67 : x
  2. Step 2: Convert to fraction form
    196,533,638.30/271,214,550.47 = 108,428,347.67/x
  3. Step 3: Cross multiply
    196,533,638.30x = 271,214,550.47 × 108,428,347.67
  4. Step 4: Simplify right side
    196,533,638.30x = 29,407,345,569,625,708
  5. Step 5: Solve for x
    x = 29,407,345,569,625,708/196,533,638.30
  6. Step 6: Final answer
    x = 149,630,087.88

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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.