Home / 107,876,755.80-161,836,128.90-31,202,285.40

Finding the Fourth Proportional to 107,876,755.80, 161,836,128.90 and 31,202,285.40

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Solution

The fourth proportional to 107,876,755.80, 161,836,128.90 and 31,202,285.40 is: 46,809,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,876,755.80 : 161,836,128.90 = 31,202,285.40 : x
  2. Step 2: Convert to fraction form
    107,876,755.80/161,836,128.90 = 31,202,285.40/x
  3. Step 3: Cross multiply
    107,876,755.80x = 161,836,128.90 × 31,202,285.40
  4. Step 4: Simplify right side
    107,876,755.80x = 5,049,657,081,968,988
  5. Step 5: Solve for x
    x = 5,049,657,081,968,988/107,876,755.80
  6. Step 6: Final answer
    x = 46,809,500.75

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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.