Home / 127,134,057.20-190,701,085.80-31,395,945.20

Finding the Fourth Proportional to 127,134,057.20, 190,701,085.80 and 31,395,945.20

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Solution

The fourth proportional to 127,134,057.20, 190,701,085.80 and 31,395,945.20 is: 47,093,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,134,057.20 : 190,701,085.80 = 31,395,945.20 : x
  2. Step 2: Convert to fraction form
    127,134,057.20/190,701,085.80 = 31,395,945.20/x
  3. Step 3: Cross multiply
    127,134,057.20x = 190,701,085.80 × 31,395,945.20
  4. Step 4: Simplify right side
    127,134,057.20x = 5,987,240,839,357,298
  5. Step 5: Solve for x
    x = 5,987,240,839,357,298/127,134,057.20
  6. Step 6: Final answer
    x = 47,093,917.80

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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.