Home / 290,529,791.55-400,927,848.12-158,367,894.39

Finding the Fourth Proportional to 290,529,791.55, 400,927,848.12 and 158,367,894.39

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Solution

The fourth proportional to 290,529,791.55, 400,927,848.12 and 158,367,894.39 is: 218,545,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,529,791.55 : 400,927,848.12 = 158,367,894.39 : x
  2. Step 2: Convert to fraction form
    290,529,791.55/400,927,848.12 = 158,367,894.39/x
  3. Step 3: Cross multiply
    290,529,791.55x = 400,927,848.12 × 158,367,894.39
  4. Step 4: Simplify right side
    290,529,791.55x = 63,494,099,109,078,112
  5. Step 5: Solve for x
    x = 63,494,099,109,078,112/290,529,791.55
  6. Step 6: Final answer
    x = 218,545,914.93

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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.