Finding the Fourth Proportional to 76,497,079.98, 105,569,713.36 and 43,017,096.66
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Solution
The fourth proportional to 76,497,079.98, 105,569,713.36 and 43,017,096.66 is: 59,365,698.21
Step by Step Solution
- Step 1: Write the proportion equation
76,497,079.98 : 105,569,713.36 = 43,017,096.66 : x - Step 2: Convert to fraction form
76,497,079.98/105,569,713.36 = 43,017,096.66/x - Step 3: Cross multiply
76,497,079.98x = 105,569,713.36 × 43,017,096.66 - Step 4: Simplify right side
76,497,079.98x = 4,541,302,563,975,613 - Step 5: Solve for x
x = 4,541,302,563,975,613/76,497,079.98 - Step 6: Final answer
x = 59,365,698.21
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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.