Finding the Fourth Proportional to 125,702,495,020.39, 173,696,355,048.92 and 89,510,694,467.99
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Solution
The fourth proportional to 125,702,495,020.39, 173,696,355,048.92 and 89,510,694,467.99 is: 123,686,338,640.02
Step by Step Solution
- Step 1: Write the proportion equation
125,702,495,020.39 : 173,696,355,048.92 = 89,510,694,467.99 : x - Step 2: Convert to fraction form
125,702,495,020.39/173,696,355,048.92 = 89,510,694,467.99/x - Step 3: Cross multiply
125,702,495,020.39x = 173,696,355,048.92 × 89,510,694,467.99 - Step 4: Simplify right side
125,702,495,020.39x = 15,547,681,366,986,696,163,328 - Step 5: Solve for x
x = 15,547,681,366,986,696,163,328/125,702,495,020.39 - Step 6: Final answer
x = 123,686,338,640.02
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1.5x scale
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.