Home / 205,805,043.07-308,660,473.05-122,830,224.82

Finding the Fourth Proportional to 205,805,043.07, 308,660,473.05 and 122,830,224.82

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Solution

The fourth proportional to 205,805,043.07, 308,660,473.05 and 122,830,224.82 is: 184,217,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,805,043.07 : 308,660,473.05 = 122,830,224.82 : x
  2. Step 2: Convert to fraction form
    205,805,043.07/308,660,473.05 = 122,830,224.82/x
  3. Step 3: Cross multiply
    205,805,043.07x = 308,660,473.05 × 122,830,224.82
  4. Step 4: Simplify right side
    205,805,043.07x = 37,912,835,297,779,048
  5. Step 5: Solve for x
    x = 37,912,835,297,779,048/205,805,043.07
  6. Step 6: Final answer
    x = 184,217,231.67

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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.