Home / 320,339,134.74-442,071,485.42-188,185,701.27

Finding the Fourth Proportional to 320,339,134.74, 442,071,485.42 and 188,185,701.27

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Solution

The fourth proportional to 320,339,134.74, 442,071,485.42 and 188,185,701.27 is: 259,698,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,339,134.74 : 442,071,485.42 = 188,185,701.27 : x
  2. Step 2: Convert to fraction form
    320,339,134.74/442,071,485.42 = 188,185,701.27/x
  3. Step 3: Cross multiply
    320,339,134.74x = 442,071,485.42 × 188,185,701.27
  4. Step 4: Simplify right side
    320,339,134.74x = 83,191,532,495,233,296
  5. Step 5: Solve for x
    x = 83,191,532,495,233,296/320,339,134.74
  6. Step 6: Final answer
    x = 259,698,311.80

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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.