Finding the Fourth Proportional to 121,456,348.44, 182,038,149.81 and 55,786,866.82
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Solution
The fourth proportional to 121,456,348.44, 182,038,149.81 and 55,786,866.82 is: 83,613,068.81
Step by Step Solution
- Step 1: Write the proportion equation
121,456,348.44 : 182,038,149.81 = 55,786,866.82 : x - Step 2: Convert to fraction form
121,456,348.44/182,038,149.81 = 55,786,866.82/x - Step 3: Cross multiply
121,456,348.44x = 182,038,149.81 × 55,786,866.82 - Step 4: Simplify right side
121,456,348.44x = 10,155,338,019,609,678 - Step 5: Solve for x
x = 10,155,338,019,609,678/121,456,348.44 - Step 6: Final answer
x = 83,613,068.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.