Finding the Fourth Proportional to 144,056,682.72, 198,723,829.68 and 97,631,059.68
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Solution
The fourth proportional to 144,056,682.72, 198,723,829.68 and 97,631,059.68 is: 134,680,444.59
Step by Step Solution
- Step 1: Write the proportion equation
144,056,682.72 : 198,723,829.68 = 97,631,059.68 : x - Step 2: Convert to fraction form
144,056,682.72/198,723,829.68 = 97,631,059.68/x - Step 3: Cross multiply
144,056,682.72x = 198,723,829.68 × 97,631,059.68 - Step 4: Simplify right side
144,056,682.72x = 19,401,618,075,326,236 - Step 5: Solve for x
x = 19,401,618,075,326,236/144,056,682.72 - Step 6: Final answer
x = 134,680,444.59
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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.