Home / 105,632,005.60-158,448,008.40-73,383,378.40

Finding the Fourth Proportional to 105,632,005.60, 158,448,008.40 and 73,383,378.40

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Solution

The fourth proportional to 105,632,005.60, 158,448,008.40 and 73,383,378.40 is: 110,075,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632,005.60 : 158,448,008.40 = 73,383,378.40 : x
  2. Step 2: Convert to fraction form
    105,632,005.60/158,448,008.40 = 73,383,378.40/x
  3. Step 3: Cross multiply
    105,632,005.60x = 158,448,008.40 × 73,383,378.40
  4. Step 4: Simplify right side
    105,632,005.60x = 11,627,450,157,143,580
  5. Step 5: Solve for x
    x = 11,627,450,157,143,580/105,632,005.60
  6. Step 6: Final answer
    x = 110,075,067.60

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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.