Finding the Fourth Proportional to 128,213,239,511.80, 192,319,859,267.70 and 62,093,476,055.80
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Solution
The fourth proportional to 128,213,239,511.80, 192,319,859,267.70 and 62,093,476,055.80 is: 93,140,214,083.70
Step by Step Solution
- Step 1: Write the proportion equation
128,213,239,511.80 : 192,319,859,267.70 = 62,093,476,055.80 : x - Step 2: Convert to fraction form
128,213,239,511.80/192,319,859,267.70 = 62,093,476,055.80/x - Step 3: Cross multiply
128,213,239,511.80x = 192,319,859,267.70 × 62,093,476,055.80 - Step 4: Simplify right side
128,213,239,511.80x = 11,941,808,576,493,757,923,328 - Step 5: Solve for x
x = 11,941,808,576,493,757,923,328/128,213,239,511.80 - Step 6: Final answer
x = 93,140,214,083.70
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1.5x scale
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.