Finding the Fourth Proportional to 43,292,974.35, 64,947,816.47 and 14,138,975.67
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Solution
The fourth proportional to 43,292,974.35, 64,947,816.47 and 14,138,975.67 is: 21,211,192.13
Step by Step Solution
- Step 1: Write the proportion equation
43,292,974.35 : 64,947,816.47 = 14,138,975.67 : x - Step 2: Convert to fraction form
43,292,974.35/64,947,816.47 = 14,138,975.67/x - Step 3: Cross multiply
43,292,974.35x = 64,947,816.47 × 14,138,975.67 - Step 4: Simplify right side
43,292,974.35x = 918,295,596,818,260.50 - Step 5: Solve for x
x = 918,295,596,818,260.50/43,292,974.35 - Step 6: Final answer
x = 21,211,192.13
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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.