Finding the Fourth Proportional to 168,207,618,053.12, 232,126,524,259.35 and 92,084,032,048.48
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Solution
The fourth proportional to 168,207,618,053.12, 232,126,524,259.35 and 92,084,032,048.48 is: 127,075,970,438.21
Step by Step Solution
- Step 1: Write the proportion equation
168,207,618,053.12 : 232,126,524,259.35 = 92,084,032,048.48 : x - Step 2: Convert to fraction form
168,207,618,053.12/232,126,524,259.35 = 92,084,032,048.48/x - Step 3: Cross multiply
168,207,618,053.12x = 232,126,524,259.35 × 92,084,032,048.48 - Step 4: Simplify right side
168,207,618,053.12x = 21,375,146,299,200,255,295,488 - Step 5: Solve for x
x = 21,375,146,299,200,255,295,488/168,207,618,053.12 - Step 6: Final answer
x = 127,075,970,438.21
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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.