Finding the Fourth Proportional to 168,154,852,197.44, 232,054,310,795.64 and 90,992,692,344.80
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Solution
The fourth proportional to 168,154,852,197.44, 232,054,310,795.64 and 90,992,692,344.80 is: 125,570,248,099.17
Step by Step Solution
- Step 1: Write the proportion equation
168,154,852,197.44 : 232,054,310,795.64 = 90,992,692,344.80 : x - Step 2: Convert to fraction form
168,154,852,197.44/232,054,310,795.64 = 90,992,692,344.80/x - Step 3: Cross multiply
168,154,852,197.44x = 232,054,310,795.64 × 90,992,692,344.80 - Step 4: Simplify right side
168,154,852,197.44x = 21,115,246,509,512,275,787,776 - Step 5: Solve for x
x = 21,115,246,509,512,275,787,776/168,154,852,197.44 - Step 6: Final answer
x = 125,570,248,099.17
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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.