Finding the Fourth Proportional to 53,725,022.52, 74,138,368.14 and 29,278,211.64
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Solution
The fourth proportional to 53,725,022.52, 74,138,368.14 and 29,278,211.64 is: 40,402,753.34
Step by Step Solution
- Step 1: Write the proportion equation
53,725,022.52 : 74,138,368.14 = 29,278,211.64 : x - Step 2: Convert to fraction form
53,725,022.52/74,138,368.14 = 29,278,211.64/x - Step 3: Cross multiply
53,725,022.52x = 74,138,368.14 × 29,278,211.64 - Step 4: Simplify right side
53,725,022.52x = 2,170,638,833,047,153.25 - Step 5: Solve for x
x = 2,170,638,833,047,153.25/53,725,022.52 - Step 6: Final answer
x = 40,402,753.34
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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.