Home / 68,501,283.89-102,774,767.31-45,562,650.08

Finding the Fourth Proportional to 68,501,283.89, 102,774,767.31 and 45,562,650.08

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Solution

The fourth proportional to 68,501,283.89, 102,774,767.31 and 45,562,650.08 is: 68,359,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,501,283.89 : 102,774,767.31 = 45,562,650.08 : x
  2. Step 2: Convert to fraction form
    68,501,283.89/102,774,767.31 = 45,562,650.08/x
  3. Step 3: Cross multiply
    68,501,283.89x = 102,774,767.31 × 45,562,650.08
  4. Step 4: Simplify right side
    68,501,283.89x = 4,682,690,759,485,079
  5. Step 5: Solve for x
    x = 4,682,690,759,485,079/68,501,283.89
  6. Step 6: Final answer
    x = 68,359,167.80

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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.