Home / 57,768,149.60-86,631,229.20-19,430,914.40

Finding the Fourth Proportional to 57,768,149.60, 86,631,229.20 and 19,430,914.40

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Solution

The fourth proportional to 57,768,149.60, 86,631,229.20 and 19,430,914.40 is: 29,139,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,149.60 : 86,631,229.20 = 19,430,914.40 : x
  2. Step 2: Convert to fraction form
    57,768,149.60/86,631,229.20 = 19,430,914.40/x
  3. Step 3: Cross multiply
    57,768,149.60x = 86,631,229.20 × 19,430,914.40
  4. Step 4: Simplify right side
    57,768,149.60x = 1,683,323,998,951,980.50
  5. Step 5: Solve for x
    x = 1,683,323,998,951,980.50/57,768,149.60
  6. Step 6: Final answer
    x = 29,139,309.65

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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.