Finding the Fourth Proportional to 107,376,988.10, 148,183,952.74 and 60,965,698.82
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Solution
The fourth proportional to 107,376,988.10, 148,183,952.74 and 60,965,698.82 is: 84,134,770.33
Step by Step Solution
- Step 1: Write the proportion equation
107,376,988.10 : 148,183,952.74 = 60,965,698.82 : x - Step 2: Convert to fraction form
107,376,988.10/148,183,952.74 = 60,965,698.82/x - Step 3: Cross multiply
107,376,988.10x = 148,183,952.74 × 60,965,698.82 - Step 4: Simplify right side
107,376,988.10x = 9,034,138,232,703,954 - Step 5: Solve for x
x = 9,034,138,232,703,954/107,376,988.10 - Step 6: Final answer
x = 84,134,770.33
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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.