Finding the Fourth Proportional to 166,003,330.80, 249,004,996.20 and 97,128,577.20
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Solution
The fourth proportional to 166,003,330.80, 249,004,996.20 and 97,128,577.20 is: 145,692,865.80
Step by Step Solution
- Step 1: Write the proportion equation
166,003,330.80 : 249,004,996.20 = 97,128,577.20 : x - Step 2: Convert to fraction form
166,003,330.80/249,004,996.20 = 97,128,577.20/x - Step 3: Cross multiply
166,003,330.80x = 249,004,996.20 × 97,128,577.20 - Step 4: Simplify right side
166,003,330.80x = 24,185,500,996,597,408 - Step 5: Solve for x
x = 24,185,500,996,597,408/166,003,330.80 - Step 6: Final answer
x = 145,692,865.80
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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.