Home / 68,412,639.90-94,404,334.23-39,043,154.46

Finding the Fourth Proportional to 68,412,639.90, 94,404,334.23 and 39,043,154.46

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Solution

The fourth proportional to 68,412,639.90, 94,404,334.23 and 39,043,154.46 is: 53,876,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,412,639.90 : 94,404,334.23 = 39,043,154.46 : x
  2. Step 2: Convert to fraction form
    68,412,639.90/94,404,334.23 = 39,043,154.46/x
  3. Step 3: Cross multiply
    68,412,639.90x = 94,404,334.23 × 39,043,154.46
  4. Step 4: Simplify right side
    68,412,639.90x = 3,685,843,003,035,355.50
  5. Step 5: Solve for x
    x = 3,685,843,003,035,355.50/68,412,639.90
  6. Step 6: Final answer
    x = 53,876,637.54

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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.