Finding the Fourth Proportional to 208,906,303.22, 288,293,310.43 and 114,830,721.08
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Solution
The fourth proportional to 208,906,303.22, 288,293,310.43 and 114,830,721.08 is: 158,467,830.83
Step by Step Solution
- Step 1: Write the proportion equation
208,906,303.22 : 288,293,310.43 = 114,830,721.08 : x - Step 2: Convert to fraction form
208,906,303.22/288,293,310.43 = 114,830,721.08/x - Step 3: Cross multiply
208,906,303.22x = 288,293,310.43 × 114,830,721.08 - Step 4: Simplify right side
208,906,303.22x = 33,104,928,717,488,644 - Step 5: Solve for x
x = 33,104,928,717,488,644/208,906,303.22 - Step 6: Final answer
x = 158,467,830.83
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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.