Finding the Fourth Proportional to 69,828,360.88, 96,366,127.44 and 38,888,530.12
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Solution
The fourth proportional to 69,828,360.88, 96,366,127.44 and 38,888,530.12 is: 53,667,836.42
Step by Step Solution
- Step 1: Write the proportion equation
69,828,360.88 : 96,366,127.44 = 38,888,530.12 : x - Step 2: Convert to fraction form
69,828,360.88/96,366,127.44 = 38,888,530.12/x - Step 3: Cross multiply
69,828,360.88x = 96,366,127.44 × 38,888,530.12 - Step 4: Simplify right side
69,828,360.88x = 3,747,537,049,498,198 - Step 5: Solve for x
x = 3,747,537,049,498,198/69,828,360.88 - Step 6: Final answer
x = 53,667,836.42
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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.