Home / 127,740,279.90-191,607,662.39-35,621,564.21

Finding the Fourth Proportional to 127,740,279.90, 191,607,662.39 and 35,621,564.21

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Solution

The fourth proportional to 127,740,279.90, 191,607,662.39 and 35,621,564.21 is: 53,431,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,740,279.90 : 191,607,662.39 = 35,621,564.21 : x
  2. Step 2: Convert to fraction form
    127,740,279.90/191,607,662.39 = 35,621,564.21/x
  3. Step 3: Cross multiply
    127,740,279.90x = 191,607,662.39 × 35,621,564.21
  4. Step 4: Simplify right side
    127,740,279.90x = 6,825,364,647,817,240
  5. Step 5: Solve for x
    x = 6,825,364,647,817,240/127,740,279.90
  6. Step 6: Final answer
    x = 53,431,577.36

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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.