Finding the Fourth Proportional to 53,725,021.02, 74,138,366.07 and 29,278,210.14
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Solution
The fourth proportional to 53,725,021.02, 74,138,366.07 and 29,278,210.14 is: 40,402,751.27
Step by Step Solution
- Step 1: Write the proportion equation
53,725,021.02 : 74,138,366.07 = 29,278,210.14 : x - Step 2: Convert to fraction form
53,725,021.02/74,138,366.07 = 29,278,210.14/x - Step 3: Cross multiply
53,725,021.02x = 74,138,366.07 × 29,278,210.14 - Step 4: Simplify right side
53,725,021.02x = 2,170,638,661,233,705.75 - Step 5: Solve for x
x = 2,170,638,661,233,705.75/53,725,021.02 - Step 6: Final answer
x = 40,402,751.27
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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.