Home / 65,193,940.80-97,790,911.20-19,749,830.40

Finding the Fourth Proportional to 65,193,940.80, 97,790,911.20 and 19,749,830.40

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Solution

The fourth proportional to 65,193,940.80, 97,790,911.20 and 19,749,830.40 is: 29,624,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193,940.80 : 97,790,911.20 = 19,749,830.40 : x
  2. Step 2: Convert to fraction form
    65,193,940.80/97,790,911.20 = 19,749,830.40/x
  3. Step 3: Cross multiply
    65,193,940.80x = 97,790,911.20 × 19,749,830.40
  4. Step 4: Simplify right side
    65,193,940.80x = 1,931,353,910,861,460.50
  5. Step 5: Solve for x
    x = 1,931,353,910,861,460.50/65,193,940.80
  6. Step 6: Final answer
    x = 29,624,745.60

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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.