Home / 103,968,285.05-143,470,777.25-56,916,338.27

Finding the Fourth Proportional to 103,968,285.05, 143,470,777.25 and 56,916,338.27

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Solution

The fourth proportional to 103,968,285.05, 143,470,777.25 and 56,916,338.27 is: 78,541,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968,285.05 : 143,470,777.25 = 56,916,338.27 : x
  2. Step 2: Convert to fraction form
    103,968,285.05/143,470,777.25 = 56,916,338.27/x
  3. Step 3: Cross multiply
    103,968,285.05x = 143,470,777.25 × 56,916,338.27
  4. Step 4: Simplify right side
    103,968,285.05x = 8,165,831,289,245,757
  5. Step 5: Solve for x
    x = 8,165,831,289,245,757/103,968,285.05
  6. Step 6: Final answer
    x = 78,541,559.91

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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.