Finding the Fourth Proportional to 68,170,092.28, 94,077,048.84 and 40,316,678.98
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Solution
The fourth proportional to 68,170,092.28, 94,077,048.84 and 40,316,678.98 is: 55,638,389.95
Step by Step Solution
- Step 1: Write the proportion equation
68,170,092.28 : 94,077,048.84 = 40,316,678.98 : x - Step 2: Convert to fraction form
68,170,092.28/94,077,048.84 = 40,316,678.98/x - Step 3: Cross multiply
68,170,092.28x = 94,077,048.84 × 40,316,678.98 - Step 4: Simplify right side
68,170,092.28x = 3,792,874,177,468,061 - Step 5: Solve for x
x = 3,792,874,177,468,061/68,170,092.28 - Step 6: Final answer
x = 55,638,389.95
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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.