Home / 85,305,261.06-117,720,903.48-46,146,940.38

Finding the Fourth Proportional to 85,305,261.06, 117,720,903.48 and 46,146,940.38

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Solution

The fourth proportional to 85,305,261.06, 117,720,903.48 and 46,146,940.38 is: 63,682,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,305,261.06 : 117,720,903.48 = 46,146,940.38 : x
  2. Step 2: Convert to fraction form
    85,305,261.06/117,720,903.48 = 46,146,940.38/x
  3. Step 3: Cross multiply
    85,305,261.06x = 117,720,903.48 × 46,146,940.38
  4. Step 4: Simplify right side
    85,305,261.06x = 5,432,459,514,371,295
  5. Step 5: Solve for x
    x = 5,432,459,514,371,295/85,305,261.06
  6. Step 6: Final answer
    x = 63,682,584.72

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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.