Home / 57,768,057.60-86,631,091.20-19,430,822.40

Finding the Fourth Proportional to 57,768,057.60, 86,631,091.20 and 19,430,822.40

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Solution

The fourth proportional to 57,768,057.60, 86,631,091.20 and 19,430,822.40 is: 29,139,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,057.60 : 86,631,091.20 = 19,430,822.40 : x
  2. Step 2: Convert to fraction form
    57,768,057.60/86,631,091.20 = 19,430,822.40/x
  3. Step 3: Cross multiply
    57,768,057.60x = 86,631,091.20 × 19,430,822.40
  4. Step 4: Simplify right side
    57,768,057.60x = 1,683,313,347,425,402.75
  5. Step 5: Solve for x
    x = 1,683,313,347,425,402.75/57,768,057.60
  6. Step 6: Final answer
    x = 29,139,171.67

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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.