Finding the Fourth Proportional to 112,395,427.24, 155,109,097.26 and 62,837,888.98
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Solution
The fourth proportional to 112,395,427.24, 155,109,097.26 and 62,837,888.98 is: 86,718,191.95
Step by Step Solution
- Step 1: Write the proportion equation
112,395,427.24 : 155,109,097.26 = 62,837,888.98 : x - Step 2: Convert to fraction form
112,395,427.24/155,109,097.26 = 62,837,888.98/x - Step 3: Cross multiply
112,395,427.24x = 155,109,097.26 × 62,837,888.98 - Step 4: Simplify right side
112,395,427.24x = 9,746,728,233,411,902 - Step 5: Solve for x
x = 9,746,728,233,411,902/112,395,427.24 - Step 6: Final answer
x = 86,718,191.95
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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.