Home / 85,457,189.34-117,930,761.73-46,299,939.30

Finding the Fourth Proportional to 85,457,189.34, 117,930,761.73 and 46,299,939.30

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Solution

The fourth proportional to 85,457,189.34, 117,930,761.73 and 46,299,939.30 is: 63,893,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,457,189.34 : 117,930,761.73 = 46,299,939.30 : x
  2. Step 2: Convert to fraction form
    85,457,189.34/117,930,761.73 = 46,299,939.30/x
  3. Step 3: Cross multiply
    85,457,189.34x = 117,930,761.73 × 46,299,939.30
  4. Step 4: Simplify right side
    85,457,189.34x = 5,460,187,109,701,763
  5. Step 5: Solve for x
    x = 5,460,187,109,701,763/85,457,189.34
  6. Step 6: Final answer
    x = 63,893,829.79

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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.