Home / 65,217,969.20-97,826,953.80-19,782,023.60

Finding the Fourth Proportional to 65,217,969.20, 97,826,953.80 and 19,782,023.60

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Solution

The fourth proportional to 65,217,969.20, 97,826,953.80 and 19,782,023.60 is: 29,673,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,217,969.20 : 97,826,953.80 = 19,782,023.60 : x
  2. Step 2: Convert to fraction form
    65,217,969.20/97,826,953.80 = 19,782,023.60/x
  3. Step 3: Cross multiply
    65,217,969.20x = 97,826,953.80 × 19,782,023.60
  4. Step 4: Simplify right side
    65,217,969.20x = 1,935,215,108,787,709.75
  5. Step 5: Solve for x
    x = 1,935,215,108,787,709.75/65,217,969.20
  6. Step 6: Final answer
    x = 29,673,035.40

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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.