Finding the Fourth Proportional to 81,351,555.24, 112,272,070.04 and 46,075,635.66
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Solution
The fourth proportional to 81,351,555.24, 112,272,070.04 and 46,075,635.66 is: 63,588,298.70
Step by Step Solution
- Step 1: Write the proportion equation
81,351,555.24 : 112,272,070.04 = 46,075,635.66 : x - Step 2: Convert to fraction form
81,351,555.24/112,272,070.04 = 46,075,635.66/x - Step 3: Cross multiply
81,351,555.24x = 112,272,070.04 × 46,075,635.66 - Step 4: Simplify right side
81,351,555.24x = 5,173,006,993,957,042 - Step 5: Solve for x
x = 5,173,006,993,957,042/81,351,555.24 - Step 6: Final answer
x = 63,588,298.70
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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.