Home / 104,139,622.58-143,712,676.05-57,729,758.90

Finding the Fourth Proportional to 104,139,622.58, 143,712,676.05 and 57,729,758.90

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Solution

The fourth proportional to 104,139,622.58, 143,712,676.05 and 57,729,758.90 is: 79,667,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,139,622.58 : 143,712,676.05 = 57,729,758.90 : x
  2. Step 2: Convert to fraction form
    104,139,622.58/143,712,676.05 = 57,729,758.90/x
  3. Step 3: Cross multiply
    104,139,622.58x = 143,712,676.05 × 57,729,758.90
  4. Step 4: Simplify right side
    104,139,622.58x = 8,296,498,139,240,305
  5. Step 5: Solve for x
    x = 8,296,498,139,240,305/104,139,622.58
  6. Step 6: Final answer
    x = 79,667,065.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.