Home / 341,430,558.80-512,147,166.96-82,645,363.94

Finding the Fourth Proportional to 341,430,558.80, 512,147,166.96 and 82,645,363.94

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Solution

The fourth proportional to 341,430,558.80, 512,147,166.96 and 82,645,363.94 is: 123,968,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,430,558.80 : 512,147,166.96 = 82,645,363.94 : x
  2. Step 2: Convert to fraction form
    341,430,558.80/512,147,166.96 = 82,645,363.94/x
  3. Step 3: Cross multiply
    341,430,558.80x = 512,147,166.96 × 82,645,363.94
  4. Step 4: Simplify right side
    341,430,558.80x = 42,326,589,004,249,144
  5. Step 5: Solve for x
    x = 42,326,589,004,249,144/341,430,558.80
  6. Step 6: Final answer
    x = 123,968,367.54

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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.