Finding the Fourth Proportional to 127,921,036.87, 176,531,031.14 and 69,183,701.99
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Solution
The fourth proportional to 127,921,036.87, 176,531,031.14 and 69,183,701.99 is: 95,473,508.89
Step by Step Solution
- Step 1: Write the proportion equation
127,921,036.87 : 176,531,031.14 = 69,183,701.99 : x - Step 2: Convert to fraction form
127,921,036.87/176,531,031.14 = 69,183,701.99/x - Step 3: Cross multiply
127,921,036.87x = 176,531,031.14 × 69,183,701.99 - Step 4: Simplify right side
127,921,036.87x = 12,213,070,250,377,168 - Step 5: Solve for x
x = 12,213,070,250,377,168/127,921,036.87 - Step 6: Final answer
x = 95,473,508.89
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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.