Finding the Fourth Proportional to 68,639,057.44, 94,698,851.93 and 38,865,635.83
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Solution
The fourth proportional to 68,639,057.44, 94,698,851.93 and 38,865,635.83 is: 53,621,527.31
Step by Step Solution
- Step 1: Write the proportion equation
68,639,057.44 : 94,698,851.93 = 38,865,635.83 : x - Step 2: Convert to fraction form
68,639,057.44/94,698,851.93 = 38,865,635.83/x - Step 3: Cross multiply
68,639,057.44x = 94,698,851.93 × 38,865,635.83 - Step 4: Simplify right side
68,639,057.44x = 3,680,531,092,700,263.50 - Step 5: Solve for x
x = 3,680,531,092,700,263.50/68,639,057.44 - Step 6: Final answer
x = 53,621,527.31
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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.