Finding the Fourth Proportional to 97,621,274.82, 134,716,986.42 and 53,569,010.10
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Solution
The fourth proportional to 97,621,274.82, 134,716,986.42 and 53,569,010.10 is: 73,925,029.35
Step by Step Solution
- Step 1: Write the proportion equation
97,621,274.82 : 134,716,986.42 = 53,569,010.10 : x - Step 2: Convert to fraction form
97,621,274.82/134,716,986.42 = 53,569,010.10/x - Step 3: Cross multiply
97,621,274.82x = 134,716,986.42 × 53,569,010.10 - Step 4: Simplify right side
97,621,274.82x = 7,216,655,606,780,441 - Step 5: Solve for x
x = 7,216,655,606,780,441/97,621,274.82 - Step 6: Final answer
x = 73,925,029.35
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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.