Home / 159,314,912.40-238,972,368.60-109,997,187.60

Finding the Fourth Proportional to 159,314,912.40, 238,972,368.60 and 109,997,187.60

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Solution

The fourth proportional to 159,314,912.40, 238,972,368.60 and 109,997,187.60 is: 164,995,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,314,912.40 : 238,972,368.60 = 109,997,187.60 : x
  2. Step 2: Convert to fraction form
    159,314,912.40/238,972,368.60 = 109,997,187.60/x
  3. Step 3: Cross multiply
    159,314,912.40x = 238,972,368.60 × 109,997,187.60
  4. Step 4: Simplify right side
    159,314,912.40x = 26,286,288,460,110,548
  5. Step 5: Solve for x
    x = 26,286,288,460,110,548/159,314,912.40
  6. Step 6: Final answer
    x = 164,995,781.40

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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.