Home / 203,653,906.51-281,072,005.55-114,355,875.28

Finding the Fourth Proportional to 203,653,906.51, 281,072,005.55 and 114,355,875.28

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Solution

The fourth proportional to 203,653,906.51, 281,072,005.55 and 114,355,875.28 is: 157,827,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,653,906.51 : 281,072,005.55 = 114,355,875.28 : x
  2. Step 2: Convert to fraction form
    203,653,906.51/281,072,005.55 = 114,355,875.28/x
  3. Step 3: Cross multiply
    203,653,906.51x = 281,072,005.55 × 114,355,875.28
  4. Step 4: Simplify right side
    203,653,906.51x = 32,142,235,211,375,268
  5. Step 5: Solve for x
    x = 32,142,235,211,375,268/203,653,906.51
  6. Step 6: Final answer
    x = 157,827,737.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.