Finding the Fourth Proportional to 97,949,967.51, 135,166,901.82 and 53,296,123.41
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Solution
The fourth proportional to 97,949,967.51, 135,166,901.82 and 53,296,123.41 is: 73,546,444.82
Step by Step Solution
- Step 1: Write the proportion equation
97,949,967.51 : 135,166,901.82 = 53,296,123.41 : x - Step 2: Convert to fraction form
97,949,967.51/135,166,901.82 = 53,296,123.41/x - Step 3: Cross multiply
97,949,967.51x = 135,166,901.82 × 53,296,123.41 - Step 4: Simplify right side
97,949,967.51x = 7,203,871,880,346,073 - Step 5: Solve for x
x = 7,203,871,880,346,073/97,949,967.51 - Step 6: Final answer
x = 73,546,444.82
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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.