Finding the Fourth Proportional to 192,026,841.74, 264,997,886.81 and 103,920,853.08
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Solution
The fourth proportional to 192,026,841.74, 264,997,886.81 and 103,920,853.08 is: 143,411,234.66
Step by Step Solution
- Step 1: Write the proportion equation
192,026,841.74 : 264,997,886.81 = 103,920,853.08 : x - Step 2: Convert to fraction form
192,026,841.74/264,997,886.81 = 103,920,853.08/x - Step 3: Cross multiply
192,026,841.74x = 264,997,886.81 × 103,920,853.08 - Step 4: Simplify right side
192,026,841.74x = 27,538,806,461,692,480 - Step 5: Solve for x
x = 27,538,806,461,692,480/192,026,841.74 - Step 6: Final answer
x = 143,411,234.66
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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.