Finding the Fourth Proportional to 115,179,825.44, 158,948,721.06 and 62,968,863.68
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Solution
The fourth proportional to 115,179,825.44, 158,948,721.06 and 62,968,863.68 is: 86,897,339.10
Step by Step Solution
- Step 1: Write the proportion equation
115,179,825.44 : 158,948,721.06 = 62,968,863.68 : x - Step 2: Convert to fraction form
115,179,825.44/158,948,721.06 = 62,968,863.68/x - Step 3: Cross multiply
115,179,825.44x = 158,948,721.06 × 62,968,863.68 - Step 4: Simplify right side
115,179,825.44x = 10,008,820,348,537,486 - Step 5: Solve for x
x = 10,008,820,348,537,486/115,179,825.44 - Step 6: Final answer
x = 86,897,339.10
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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.