Home / 99,400,667.20-149,101,000.80-26,628,679.60

Finding the Fourth Proportional to 99,400,667.20, 149,101,000.80 and 26,628,679.60

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Solution

The fourth proportional to 99,400,667.20, 149,101,000.80 and 26,628,679.60 is: 39,943,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400,667.20 : 149,101,000.80 = 26,628,679.60 : x
  2. Step 2: Convert to fraction form
    99,400,667.20/149,101,000.80 = 26,628,679.60/x
  3. Step 3: Cross multiply
    99,400,667.20x = 149,101,000.80 × 26,628,679.60
  4. Step 4: Simplify right side
    99,400,667.20x = 3,970,362,778,342,544
  5. Step 5: Solve for x
    x = 3,970,362,778,342,544/99,400,667.20
  6. Step 6: Final answer
    x = 39,943,019.40

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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.