Home / 223,270,342.27-308,151,638.10-129,236,336.80

Finding the Fourth Proportional to 223,270,342.27, 308,151,638.10 and 129,236,336.80

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Solution

The fourth proportional to 223,270,342.27, 308,151,638.10 and 129,236,336.80 is: 178,368,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,270,342.27 : 308,151,638.10 = 129,236,336.80 : x
  2. Step 2: Convert to fraction form
    223,270,342.27/308,151,638.10 = 129,236,336.80/x
  3. Step 3: Cross multiply
    223,270,342.27x = 308,151,638.10 × 129,236,336.80
  4. Step 4: Simplify right side
    223,270,342.27x = 39,824,388,887,698,808
  5. Step 5: Solve for x
    x = 39,824,388,887,698,808/223,270,342.27
  6. Step 6: Final answer
    x = 178,368,467.94

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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.