Home / 65,189,308.20-97,783,962.30-19,753,362.60

Finding the Fourth Proportional to 65,189,308.20, 97,783,962.30 and 19,753,362.60

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Solution

The fourth proportional to 65,189,308.20, 97,783,962.30 and 19,753,362.60 is: 29,630,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,189,308.20 : 97,783,962.30 = 19,753,362.60 : x
  2. Step 2: Convert to fraction form
    65,189,308.20/97,783,962.30 = 19,753,362.60/x
  3. Step 3: Cross multiply
    65,189,308.20x = 97,783,962.30 × 19,753,362.60
  4. Step 4: Simplify right side
    65,189,308.20x = 1,931,562,063,776,630
  5. Step 5: Solve for x
    x = 1,931,562,063,776,630/65,189,308.20
  6. Step 6: Final answer
    x = 29,630,043.90

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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.