Home / 165,042,273.50-227,763,798.03-90,705,468.98

Finding the Fourth Proportional to 165,042,273.50, 227,763,798.03 and 90,705,468.98

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Solution

The fourth proportional to 165,042,273.50, 227,763,798.03 and 90,705,468.98 is: 125,176,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042,273.50 : 227,763,798.03 = 90,705,468.98 : x
  2. Step 2: Convert to fraction form
    165,042,273.50/227,763,798.03 = 90,705,468.98/x
  3. Step 3: Cross multiply
    165,042,273.50x = 227,763,798.03 × 90,705,468.98
  4. Step 4: Simplify right side
    165,042,273.50x = 20,659,422,115,838,328
  5. Step 5: Solve for x
    x = 20,659,422,115,838,328/165,042,273.50
  6. Step 6: Final answer
    x = 125,176,548.28

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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.