Home / 139,838,441.60-209,757,662.40-110,928,051.20

Finding the Fourth Proportional to 139,838,441.60, 209,757,662.40 and 110,928,051.20

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Solution

The fourth proportional to 139,838,441.60, 209,757,662.40 and 110,928,051.20 is: 166,392,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,838,441.60 : 209,757,662.40 = 110,928,051.20 : x
  2. Step 2: Convert to fraction form
    139,838,441.60/209,757,662.40 = 110,928,051.20/x
  3. Step 3: Cross multiply
    139,838,441.60x = 209,757,662.40 × 110,928,051.20
  4. Step 4: Simplify right side
    139,838,441.60x = 23,268,008,714,299,516
  5. Step 5: Solve for x
    x = 23,268,008,714,299,516/139,838,441.60
  6. Step 6: Final answer
    x = 166,392,076.80

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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.