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Finding the Fourth Proportional to 64,764,893.80, 97,085,132.70 and 37,443,140.20

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Solution

The fourth proportional to 64,764,893.80, 97,085,132.70 and 37,443,140.20 is: 56,128,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,764,893.80 : 97,085,132.70 = 37,443,140.20 : x
  2. Step 2: Convert to fraction form
    64,764,893.80/97,085,132.70 = 37,443,140.20/x
  3. Step 3: Cross multiply
    64,764,893.80x = 97,085,132.70 × 37,443,140.20
  4. Step 4: Simplify right side
    64,764,893.80x = 3,635,172,235,021,705
  5. Step 5: Solve for x
    x = 3,635,172,235,021,705/64,764,893.80
  6. Step 6: Final answer
    x = 56,128,745.40

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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.