Home / 85,338,112.08-117,766,905.34-46,179,885.28

Finding the Fourth Proportional to 85,338,112.08, 117,766,905.34 and 46,179,885.28

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Solution

The fourth proportional to 85,338,112.08, 117,766,905.34 and 46,179,885.28 is: 63,728,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338,112.08 : 117,766,905.34 = 46,179,885.28 : x
  2. Step 2: Convert to fraction form
    85,338,112.08/117,766,905.34 = 46,179,885.28/x
  3. Step 3: Cross multiply
    85,338,112.08x = 117,766,905.34 × 46,179,885.28
  4. Step 4: Simplify right side
    85,338,112.08x = 5,438,462,178,381,820
  5. Step 5: Solve for x
    x = 5,438,462,178,381,820/85,338,112.08
  6. Step 6: Final answer
    x = 63,728,409.80

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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.