Home / 201,385,078,885.08-277,910,439,890.94-111,163,743,319.32

Finding the Fourth Proportional to 201,385,078,885.08, 277,910,439,890.94 and 111,163,743,319.32

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Solution

The fourth proportional to 201,385,078,885.08, 277,910,439,890.94 and 111,163,743,319.32 is: 153,405,430,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,385,078,885.08 : 277,910,439,890.94 = 111,163,743,319.32 : x
  2. Step 2: Convert to fraction form
    201,385,078,885.08/277,910,439,890.94 = 111,163,743,319.32/x
  3. Step 3: Cross multiply
    201,385,078,885.08x = 277,910,439,890.94 × 111,163,743,319.32
  4. Step 4: Simplify right side
    201,385,078,885.08x = 30,893,564,805,795,765,288,960
  5. Step 5: Solve for x
    x = 30,893,564,805,795,765,288,960/201,385,078,885.08
  6. Step 6: Final answer
    x = 153,405,430,912.91

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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.