Finding the Fourth Proportional to 70,944,544.73, 97,903,336.51 and 39,580,727.63
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Solution
The fourth proportional to 70,944,544.73, 97,903,336.51 and 39,580,727.63 is: 54,621,328.69
Step by Step Solution
- Step 1: Write the proportion equation
70,944,544.73 : 97,903,336.51 = 39,580,727.63 : x - Step 2: Convert to fraction form
70,944,544.73/97,903,336.51 = 39,580,727.63/x - Step 3: Cross multiply
70,944,544.73x = 97,903,336.51 × 39,580,727.63 - Step 4: Simplify right side
70,944,544.73x = 3,875,085,296,470,545 - Step 5: Solve for x
x = 3,875,085,296,470,545/70,944,544.73 - Step 6: Final answer
x = 54,621,328.69
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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.