Home / 82,632,196.72-123,804,652.90-57,987,856

Finding the Fourth Proportional to 82,632,196.72, 123,804,652.90 and 57,987,856

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Solution

The fourth proportional to 82,632,196.72, 123,804,652.90 and 57,987,856 is: 86,880,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632,196.72 : 123,804,652.90 = 57,987,856 : x
  2. Step 2: Convert to fraction form
    82,632,196.72/123,804,652.90 = 57,987,856/x
  3. Step 3: Cross multiply
    82,632,196.72x = 123,804,652.90 × 57,987,856
  4. Step 4: Simplify right side
    82,632,196.72x = 7,179,166,384,495,183
  5. Step 5: Solve for x
    x = 7,179,166,384,495,183/82,632,196.72
  6. Step 6: Final answer
    x = 86,880,981.86

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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.