Finding the Fourth Proportional to 70,988,216.52, 97,968,218.94 and 40,037,092.68
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Solution
The fourth proportional to 70,988,216.52, 97,968,218.94 and 40,037,092.68 is: 55,253,714.68
Step by Step Solution
- Step 1: Write the proportion equation
70,988,216.52 : 97,968,218.94 = 40,037,092.68 : x - Step 2: Convert to fraction form
70,988,216.52/97,968,218.94 = 40,037,092.68/x - Step 3: Cross multiply
70,988,216.52x = 97,968,218.94 × 40,037,092.68 - Step 4: Simplify right side
70,988,216.52x = 3,922,362,661,395,311 - Step 5: Solve for x
x = 3,922,362,661,395,311/70,988,216.52 - Step 6: Final answer
x = 55,253,714.68
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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.