Finding the Fourth Proportional to 169,488,082.90, 254,232,124.35 and 159,284,415.70
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Solution
The fourth proportional to 169,488,082.90, 254,232,124.35 and 159,284,415.70 is: 238,926,623.55
Step by Step Solution
- Step 1: Write the proportion equation
169,488,082.90 : 254,232,124.35 = 159,284,415.70 : x - Step 2: Convert to fraction form
169,488,082.90/254,232,124.35 = 159,284,415.70/x - Step 3: Cross multiply
169,488,082.90x = 254,232,124.35 × 159,284,415.70 - Step 4: Simplify right side
169,488,082.90x = 40,495,215,379,259,488 - Step 5: Solve for x
x = 40,495,215,379,259,488/169,488,082.90 - Step 6: Final answer
x = 238,926,623.55
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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.