Finding the Fourth Proportional to 202,375,788.33, 279,273,447.82 and 113,068,419.98
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Solution
The fourth proportional to 202,375,788.33, 279,273,447.82 and 113,068,419.98 is: 156,031,547.79
Step by Step Solution
- Step 1: Write the proportion equation
202,375,788.33 : 279,273,447.82 = 113,068,419.98 : x - Step 2: Convert to fraction form
202,375,788.33/279,273,447.82 = 113,068,419.98/x - Step 3: Cross multiply
202,375,788.33x = 279,273,447.82 × 113,068,419.98 - Step 4: Simplify right side
202,375,788.33x = 31,577,007,487,374,376 - Step 5: Solve for x
x = 31,577,007,487,374,376/202,375,788.33 - Step 6: Final answer
x = 156,031,547.79
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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.