Finding the Fourth Proportional to 159,125,876,166.20, 219,594,601,044.62 and 90,537,287,621.08
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Solution
The fourth proportional to 159,125,876,166.20, 219,594,601,044.62 and 90,537,287,621.08 is: 124,941,964,398.35
Step by Step Solution
- Step 1: Write the proportion equation
159,125,876,166.20 : 219,594,601,044.62 = 90,537,287,621.08 : x - Step 2: Convert to fraction form
159,125,876,166.20/219,594,601,044.62 = 90,537,287,621.08/x - Step 3: Cross multiply
159,125,876,166.20x = 219,594,601,044.62 × 90,537,287,621.08 - Step 4: Simplify right side
159,125,876,166.20x = 19,881,499,554,813,076,045,824 - Step 5: Solve for x
x = 19,881,499,554,813,076,045,824/159,125,876,166.20 - Step 6: Final answer
x = 124,941,964,398.35
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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.