Home / 115,006,559.17-172,563,709.43-56,682,442.54

Finding the Fourth Proportional to 115,006,559.17, 172,563,709.43 and 56,682,442.54

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Solution

The fourth proportional to 115,006,559.17, 172,563,709.43 and 56,682,442.54 is: 85,050,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,006,559.17 : 172,563,709.43 = 56,682,442.54 : x
  2. Step 2: Convert to fraction form
    115,006,559.17/172,563,709.43 = 56,682,442.54/x
  3. Step 3: Cross multiply
    115,006,559.17x = 172,563,709.43 × 56,682,442.54
  4. Step 4: Simplify right side
    115,006,559.17x = 9,781,332,544,396,938
  5. Step 5: Solve for x
    x = 9,781,332,544,396,938/115,006,559.17
  6. Step 6: Final answer
    x = 85,050,214.66

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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.