Finding the Fourth Proportional to 69,679,721.15, 104,512,827.99 and 21,158,001.47
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Solution
The fourth proportional to 69,679,721.15, 104,512,827.99 and 21,158,001.47 is: 31,734,951.46
Step by Step Solution
- Step 1: Write the proportion equation
69,679,721.15 : 104,512,827.99 = 21,158,001.47 : x - Step 2: Convert to fraction form
69,679,721.15/104,512,827.99 = 21,158,001.47/x - Step 3: Cross multiply
69,679,721.15x = 104,512,827.99 × 21,158,001.47 - Step 4: Simplify right side
69,679,721.15x = 2,211,282,568,246,277 - Step 5: Solve for x
x = 2,211,282,568,246,277/69,679,721.15 - Step 6: Final answer
x = 31,734,951.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.