Finding the Fourth Proportional to 100,284,273.04, 138,371,572.97 and 57,897,097.96
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Solution
The fourth proportional to 100,284,273.04, 138,371,572.97 and 57,897,097.96 is: 79,886,030.70
Step by Step Solution
- Step 1: Write the proportion equation
100,284,273.04 : 138,371,572.97 = 57,897,097.96 : x - Step 2: Convert to fraction form
100,284,273.04/138,371,572.97 = 57,897,097.96/x - Step 3: Cross multiply
100,284,273.04x = 138,371,572.97 × 57,897,097.96 - Step 4: Simplify right side
100,284,273.04x = 8,011,312,515,245,357 - Step 5: Solve for x
x = 8,011,312,515,245,357/100,284,273.04 - Step 6: Final answer
x = 79,886,030.70
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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.