Home / 69,411,147.84-104,117,091.66-20,888,669.52

Finding the Fourth Proportional to 69,411,147.84, 104,117,091.66 and 20,888,669.52

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Solution

The fourth proportional to 69,411,147.84, 104,117,091.66 and 20,888,669.52 is: 31,333,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,411,147.84 : 104,117,091.66 = 20,888,669.52 : x
  2. Step 2: Convert to fraction form
    69,411,147.84/104,117,091.66 = 20,888,669.52/x
  3. Step 3: Cross multiply
    69,411,147.84x = 104,117,091.66 × 20,888,669.52
  4. Step 4: Simplify right side
    69,411,147.84x = 2,174,867,519,069,288
  5. Step 5: Solve for x
    x = 2,174,867,519,069,288/69,411,147.84
  6. Step 6: Final answer
    x = 31,333,115.60

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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.