Home / 203,289,423.52-304,991,055.60-82,205,906.08

Finding the Fourth Proportional to 203,289,423.52, 304,991,055.60 and 82,205,906.08

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Solution

The fourth proportional to 203,289,423.52, 304,991,055.60 and 82,205,906.08 is: 123,331,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,289,423.52 : 304,991,055.60 = 82,205,906.08 : x
  2. Step 2: Convert to fraction form
    203,289,423.52/304,991,055.60 = 82,205,906.08/x
  3. Step 3: Cross multiply
    203,289,423.52x = 304,991,055.60 × 82,205,906.08
  4. Step 4: Simplify right side
    203,289,423.52x = 25,072,066,071,893,660
  5. Step 5: Solve for x
    x = 25,072,066,071,893,660/203,289,423.52
  6. Step 6: Final answer
    x = 123,331,876.48

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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.