Finding the Fourth Proportional to 202,302,068.97, 279,176,851.80 and 109,482,576.84
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Solution
The fourth proportional to 202,302,068.97, 279,176,851.80 and 109,482,576.84 is: 151,085,954.21
Step by Step Solution
- Step 1: Write the proportion equation
202,302,068.97 : 279,176,851.80 = 109,482,576.84 : x - Step 2: Convert to fraction form
202,302,068.97/279,176,851.80 = 109,482,576.84/x - Step 3: Cross multiply
202,302,068.97x = 279,176,851.80 × 109,482,576.84 - Step 4: Simplify right side
202,302,068.97x = 30,565,001,129,142,796 - Step 5: Solve for x
x = 30,565,001,129,142,796/202,302,068.97 - Step 6: Final answer
x = 151,085,954.21
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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.