Finding the Fourth Proportional to 255,867,023.68, 353,104,837.92 and 139,973,519.68
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Solution
The fourth proportional to 255,867,023.68, 353,104,837.92 and 139,973,519.68 is: 193,168,022.47
Step by Step Solution
- Step 1: Write the proportion equation
255,867,023.68 : 353,104,837.92 = 139,973,519.68 : x - Step 2: Convert to fraction form
255,867,023.68/353,104,837.92 = 139,973,519.68/x - Step 3: Cross multiply
255,867,023.68x = 353,104,837.92 × 139,973,519.68 - Step 4: Simplify right side
255,867,023.68x = 49,425,326,979,698,336 - Step 5: Solve for x
x = 49,425,326,979,698,336/255,867,023.68 - Step 6: Final answer
x = 193,168,022.47
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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.