Home / 57,024,984.60-85,536,699.30-18,687,749.40

Finding the Fourth Proportional to 57,024,984.60, 85,536,699.30 and 18,687,749.40

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Solution

The fourth proportional to 57,024,984.60, 85,536,699.30 and 18,687,749.40 is: 28,031,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,024,984.60 : 85,536,699.30 = 18,687,749.40 : x
  2. Step 2: Convert to fraction form
    57,024,984.60/85,536,699.30 = 18,687,749.40/x
  3. Step 3: Cross multiply
    57,024,984.60x = 85,536,699.30 × 18,687,749.40
  4. Step 4: Simplify right side
    57,024,984.60x = 1,598,488,401,021,555.25
  5. Step 5: Solve for x
    x = 1,598,488,401,021,555.25/57,024,984.60
  6. Step 6: Final answer
    x = 28,031,369.27

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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.