Finding the Fourth Proportional to 76,894,058,013.12, 115,374,232,918.98 and 41,514,388,837.92
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Solution
The fourth proportional to 76,894,058,013.12, 115,374,232,918.98 and 41,514,388,837.92 is: 62,289,478,420.53
Step by Step Solution
- Step 1: Write the proportion equation
76,894,058,013.12 : 115,374,232,918.98 = 41,514,388,837.92 : x - Step 2: Convert to fraction form
76,894,058,013.12/115,374,232,918.98 = 41,514,388,837.92/x - Step 3: Cross multiply
76,894,058,013.12x = 115,374,232,918.98 × 41,514,388,837.92 - Step 4: Simplify right side
76,894,058,013.12x = 4,789,690,767,275,285,544,960 - Step 5: Solve for x
x = 4,789,690,767,275,285,544,960/76,894,058,013.12 - Step 6: Final answer
x = 62,289,478,420.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.