Home / 106,673,039.60-160,009,559.40-72,235,662.80

Finding the Fourth Proportional to 106,673,039.60, 160,009,559.40 and 72,235,662.80

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Solution

The fourth proportional to 106,673,039.60, 160,009,559.40 and 72,235,662.80 is: 108,353,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,673,039.60 : 160,009,559.40 = 72,235,662.80 : x
  2. Step 2: Convert to fraction form
    106,673,039.60/160,009,559.40 = 72,235,662.80/x
  3. Step 3: Cross multiply
    106,673,039.60x = 160,009,559.40 × 72,235,662.80
  4. Step 4: Simplify right side
    106,673,039.60x = 11,558,396,577,594,970
  5. Step 5: Solve for x
    x = 11,558,396,577,594,970/106,673,039.60
  6. Step 6: Final answer
    x = 108,353,494.20

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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.