Finding the Fourth Proportional to 96,828,010.13, 133,622,703.81 and 55,012,149.14
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Solution
The fourth proportional to 96,828,010.13, 133,622,703.81 and 55,012,149.14 is: 75,916,794.12
Step by Step Solution
- Step 1: Write the proportion equation
96,828,010.13 : 133,622,703.81 = 55,012,149.14 : x - Step 2: Convert to fraction form
96,828,010.13/133,622,703.81 = 55,012,149.14/x - Step 3: Cross multiply
96,828,010.13x = 133,622,703.81 × 55,012,149.14 - Step 4: Simplify right side
96,828,010.13x = 7,350,872,109,817,653 - Step 5: Solve for x
x = 7,350,872,109,817,653/96,828,010.13 - Step 6: Final answer
x = 75,916,794.12
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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.