Home / 103,396,107.40-154,881,584.70-71,084,494.60

Finding the Fourth Proportional to 103,396,107.40, 154,881,584.70 and 71,084,494.60

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Solution

The fourth proportional to 103,396,107.40, 154,881,584.70 and 71,084,494.60 is: 106,480,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,396,107.40 : 154,881,584.70 = 71,084,494.60 : x
  2. Step 2: Convert to fraction form
    103,396,107.40/154,881,584.70 = 71,084,494.60/x
  3. Step 3: Cross multiply
    103,396,107.40x = 154,881,584.70 × 71,084,494.60
  4. Step 4: Simplify right side
    103,396,107.40x = 11,009,679,171,246,590
  5. Step 5: Solve for x
    x = 11,009,679,171,246,590/103,396,107.40
  6. Step 6: Final answer
    x = 106,480,596.30

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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.