Finding the Fourth Proportional to 202,286,984.76, 279,126,009.86 and 122,860,714.32
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Solution
The fourth proportional to 202,286,984.76, 279,126,009.86 and 122,860,714.32 is: 169,529,547.32
Step by Step Solution
- Step 1: Write the proportion equation
202,286,984.76 : 279,126,009.86 = 122,860,714.32 : x - Step 2: Convert to fraction form
202,286,984.76/279,126,009.86 = 122,860,714.32/x - Step 3: Cross multiply
202,286,984.76x = 279,126,009.86 × 122,860,714.32 - Step 4: Simplify right side
202,286,984.76x = 34,293,620,956,076,660 - Step 5: Solve for x
x = 34,293,620,956,076,660/202,286,984.76 - Step 6: Final answer
x = 169,529,547.32
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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.