Finding the Fourth Proportional to 157,465,511.10, 236,198,266.65 and 48,307,529.70
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Solution
The fourth proportional to 157,465,511.10, 236,198,266.65 and 48,307,529.70 is: 72,461,294.55
Step by Step Solution
- Step 1: Write the proportion equation
157,465,511.10 : 236,198,266.65 = 48,307,529.70 : x - Step 2: Convert to fraction form
157,465,511.10/236,198,266.65 = 48,307,529.70/x - Step 3: Cross multiply
157,465,511.10x = 236,198,266.65 × 48,307,529.70 - Step 4: Simplify right side
157,465,511.10x = 11,410,154,781,283,396 - Step 5: Solve for x
x = 11,410,154,781,283,396/157,465,511.10 - Step 6: Final answer
x = 72,461,294.55
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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.