Home / 222,384,684.63-306,890,333.50-121,912,942.35

Finding the Fourth Proportional to 222,384,684.63, 306,890,333.50 and 121,912,942.35

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Solution

The fourth proportional to 222,384,684.63, 306,890,333.50 and 121,912,942.35 is: 168,239,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384,684.63 : 306,890,333.50 = 121,912,942.35 : x
  2. Step 2: Convert to fraction form
    222,384,684.63/306,890,333.50 = 121,912,942.35/x
  3. Step 3: Cross multiply
    222,384,684.63x = 306,890,333.50 × 121,912,942.35
  4. Step 4: Simplify right side
    222,384,684.63x = 37,413,903,536,831,808
  5. Step 5: Solve for x
    x = 37,413,903,536,831,808/222,384,684.63
  6. Step 6: Final answer
    x = 168,239,569.19

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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.