Finding the Fourth Proportional to 64,425,135.16, 88,877,285.32 and 38,304,788.12
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Solution
The fourth proportional to 64,425,135.16, 88,877,285.32 and 38,304,788.12 is: 52,843,126.75
Step by Step Solution
- Step 1: Write the proportion equation
64,425,135.16 : 88,877,285.32 = 38,304,788.12 : x - Step 2: Convert to fraction form
64,425,135.16/88,877,285.32 = 38,304,788.12/x - Step 3: Cross multiply
64,425,135.16x = 88,877,285.32 × 38,304,788.12 - Step 4: Simplify right side
64,425,135.16x = 3,404,425,582,863,386 - Step 5: Solve for x
x = 3,404,425,582,863,386/64,425,135.16 - Step 6: Final answer
x = 52,843,126.75
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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.