Home / 147,104,905.06-203,004,759.36-85,261,115.89

Finding the Fourth Proportional to 147,104,905.06, 203,004,759.36 and 85,261,115.89

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Solution

The fourth proportional to 147,104,905.06, 203,004,759.36 and 85,261,115.89 is: 117,660,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,905.06 : 203,004,759.36 = 85,261,115.89 : x
  2. Step 2: Convert to fraction form
    147,104,905.06/203,004,759.36 = 85,261,115.89/x
  3. Step 3: Cross multiply
    147,104,905.06x = 203,004,759.36 × 85,261,115.89
  4. Step 4: Simplify right side
    147,104,905.06x = 17,308,412,314,014,524
  5. Step 5: Solve for x
    x = 17,308,412,314,014,524/147,104,905.06
  6. Step 6: Final answer
    x = 117,660,334.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.