Home / 70,308,861.96-97,027,005.56-38,947,391.31

Finding the Fourth Proportional to 70,308,861.96, 97,027,005.56 and 38,947,391.31

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Solution

The fourth proportional to 70,308,861.96, 97,027,005.56 and 38,947,391.31 is: 53,747,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,861.96 : 97,027,005.56 = 38,947,391.31 : x
  2. Step 2: Convert to fraction form
    70,308,861.96/97,027,005.56 = 38,947,391.31/x
  3. Step 3: Cross multiply
    70,308,861.96x = 97,027,005.56 × 38,947,391.31
  4. Step 4: Simplify right side
    70,308,861.96x = 3,778,948,753,280,234.50
  5. Step 5: Solve for x
    x = 3,778,948,753,280,234.50/70,308,861.96
  6. Step 6: Final answer
    x = 53,747,829.90

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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.