Home / 84,833,741.90-127,131,993.45-45,888,120.14

Finding the Fourth Proportional to 84,833,741.90, 127,131,993.45 and 45,888,120.14

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Solution

The fourth proportional to 84,833,741.90, 127,131,993.45 and 45,888,120.14 is: 68,768,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833,741.90 : 127,131,993.45 = 45,888,120.14 : x
  2. Step 2: Convert to fraction form
    84,833,741.90/127,131,993.45 = 45,888,120.14/x
  3. Step 3: Cross multiply
    84,833,741.90x = 127,131,993.45 × 45,888,120.14
  4. Step 4: Simplify right side
    84,833,741.90x = 5,833,848,189,071,293
  5. Step 5: Solve for x
    x = 5,833,848,189,071,293/84,833,741.90
  6. Step 6: Final answer
    x = 68,768,016.81

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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.