Home / 189,848,677,071.54-261,872,004,029.76-112,631,848,583.34

Finding the Fourth Proportional to 189,848,677,071.54, 261,872,004,029.76 and 112,631,848,583.34

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Solution

The fourth proportional to 189,848,677,071.54, 261,872,004,029.76 and 112,631,848,583.34 is: 155,361,250,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,848,677,071.54 : 261,872,004,029.76 = 112,631,848,583.34 : x
  2. Step 2: Convert to fraction form
    189,848,677,071.54/261,872,004,029.76 = 112,631,848,583.34/x
  3. Step 3: Cross multiply
    189,848,677,071.54x = 261,872,004,029.76 × 112,631,848,583.34
  4. Step 4: Simplify right side
    189,848,677,071.54x = 29,495,127,906,095,728,689,152
  5. Step 5: Solve for x
    x = 29,495,127,906,095,728,689,152/189,848,677,071.54
  6. Step 6: Final answer
    x = 155,361,250,660.61

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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.