Home / 223,444,069.02-308,347,979.76-129,362,182.92

Finding the Fourth Proportional to 223,444,069.02, 308,347,979.76 and 129,362,182.92

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Solution

The fourth proportional to 223,444,069.02, 308,347,979.76 and 129,362,182.92 is: 178,517,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,444,069.02 : 308,347,979.76 = 129,362,182.92 : x
  2. Step 2: Convert to fraction form
    223,444,069.02/308,347,979.76 = 129,362,182.92/x
  3. Step 3: Cross multiply
    223,444,069.02x = 308,347,979.76 × 129,362,182.92
  4. Step 4: Simplify right side
    223,444,069.02x = 39,888,567,760,725,576
  5. Step 5: Solve for x
    x = 39,888,567,760,725,576/223,444,069.02
  6. Step 6: Final answer
    x = 178,517,012.94

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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.