Finding the Fourth Proportional to 157,609,941.10, 236,414,911.65 and 97,143,765.10
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Solution
The fourth proportional to 157,609,941.10, 236,414,911.65 and 97,143,765.10 is: 145,715,647.65
Step by Step Solution
- Step 1: Write the proportion equation
157,609,941.10 : 236,414,911.65 = 97,143,765.10 : x - Step 2: Convert to fraction form
157,609,941.10/236,414,911.65 = 97,143,765.10/x - Step 3: Cross multiply
157,609,941.10x = 236,414,911.65 × 97,143,765.10 - Step 4: Simplify right side
157,609,941.10x = 22,966,234,643,464,852 - Step 5: Solve for x
x = 22,966,234,643,464,852/157,609,941.10 - Step 6: Final answer
x = 145,715,647.65
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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.