Finding the Fourth Proportional to 131,958,747.74, 197,931,683.60 and 48,976,646.69
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Solution
The fourth proportional to 131,958,747.74, 197,931,683.60 and 48,976,646.69 is: 73,462,580.56
Step by Step Solution
- Step 1: Write the proportion equation
131,958,747.74 : 197,931,683.60 = 48,976,646.69 : x - Step 2: Convert to fraction form
131,958,747.74/197,931,683.60 = 48,976,646.69/x - Step 3: Cross multiply
131,958,747.74x = 197,931,683.60 × 48,976,646.69 - Step 4: Simplify right side
131,958,747.74x = 9,694,030,136,189,184 - Step 5: Solve for x
x = 9,694,030,136,189,184/131,958,747.74 - Step 6: Final answer
x = 73,462,580.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.