Home / 65,173,917.20-97,823,861.40-39,664,749.20

Finding the Fourth Proportional to 65,173,917.20, 97,823,861.40 and 39,664,749.20

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Solution

The fourth proportional to 65,173,917.20, 97,823,861.40 and 39,664,749.20 is: 59,535,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173,917.20 : 97,823,861.40 = 39,664,749.20 : x
  2. Step 2: Convert to fraction form
    65,173,917.20/97,823,861.40 = 39,664,749.20/x
  3. Step 3: Cross multiply
    65,173,917.20x = 97,823,861.40 × 39,664,749.20
  4. Step 4: Simplify right side
    65,173,917.20x = 3,880,158,928,206,561.50
  5. Step 5: Solve for x
    x = 3,880,158,928,206,561.50/65,173,917.20
  6. Step 6: Final answer
    x = 59,535,456.74

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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.