Home / 57,456,091.20-86,184,136.80-52,753,166.40

Finding the Fourth Proportional to 57,456,091.20, 86,184,136.80 and 52,753,166.40

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Solution

The fourth proportional to 57,456,091.20, 86,184,136.80 and 52,753,166.40 is: 79,129,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456,091.20 : 86,184,136.80 = 52,753,166.40 : x
  2. Step 2: Convert to fraction form
    57,456,091.20/86,184,136.80 = 52,753,166.40/x
  3. Step 3: Cross multiply
    57,456,091.20x = 86,184,136.80 × 52,753,166.40
  4. Step 4: Simplify right side
    57,456,091.20x = 4,546,486,109,650,763
  5. Step 5: Solve for x
    x = 4,546,486,109,650,763/57,456,091.20
  6. Step 6: Final answer
    x = 79,129,749.60

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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.