Finding the Fourth Proportional to 74,606,574.80, 111,909,862.20 and 44,298,837.20
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Solution
The fourth proportional to 74,606,574.80, 111,909,862.20 and 44,298,837.20 is: 66,448,255.80
Step by Step Solution
- Step 1: Write the proportion equation
74,606,574.80 : 111,909,862.20 = 44,298,837.20 : x - Step 2: Convert to fraction form
74,606,574.80/111,909,862.20 = 44,298,837.20/x - Step 3: Cross multiply
74,606,574.80x = 111,909,862.20 × 44,298,837.20 - Step 4: Simplify right side
74,606,574.80x = 4,957,476,766,672,234 - Step 5: Solve for x
x = 4,957,476,766,672,234/74,606,574.80 - Step 6: Final answer
x = 66,448,255.80
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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.