Home / 65,203,013.10-97,804,519.65-31,190,789.10

Finding the Fourth Proportional to 65,203,013.10, 97,804,519.65 and 31,190,789.10

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Solution

The fourth proportional to 65,203,013.10, 97,804,519.65 and 31,190,789.10 is: 46,786,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,013.10 : 97,804,519.65 = 31,190,789.10 : x
  2. Step 2: Convert to fraction form
    65,203,013.10/97,804,519.65 = 31,190,789.10/x
  3. Step 3: Cross multiply
    65,203,013.10x = 97,804,519.65 × 31,190,789.10
  4. Step 4: Simplify right side
    65,203,013.10x = 3,050,600,145,429,956
  5. Step 5: Solve for x
    x = 3,050,600,145,429,956/65,203,013.10
  6. Step 6: Final answer
    x = 46,786,183.65

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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.