Home / 91,177,128.40-136,765,692.60-27,351,720.40

Finding the Fourth Proportional to 91,177,128.40, 136,765,692.60 and 27,351,720.40

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Solution

The fourth proportional to 91,177,128.40, 136,765,692.60 and 27,351,720.40 is: 41,027,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177,128.40 : 136,765,692.60 = 27,351,720.40 : x
  2. Step 2: Convert to fraction form
    91,177,128.40/136,765,692.60 = 27,351,720.40/x
  3. Step 3: Cross multiply
    91,177,128.40x = 136,765,692.60 × 27,351,720.40
  4. Step 4: Simplify right side
    91,177,128.40x = 3,740,776,984,307,548.50
  5. Step 5: Solve for x
    x = 3,740,776,984,307,548.50/91,177,128.40
  6. Step 6: Final answer
    x = 41,027,580.60

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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.