Finding the Fourth Proportional to 87,636,578.42, 131,466,827.18 and 36,506,639.81
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Solution
The fourth proportional to 87,636,578.42, 131,466,827.18 and 36,506,639.81 is: 54,764,941.69
Step by Step Solution
- Step 1: Write the proportion equation
87,636,578.42 : 131,466,827.18 = 36,506,639.81 : x - Step 2: Convert to fraction form
87,636,578.42/131,466,827.18 = 36,506,639.81/x - Step 3: Cross multiply
87,636,578.42x = 131,466,827.18 × 36,506,639.81 - Step 4: Simplify right side
87,636,578.42x = 4,799,412,107,243,712 - Step 5: Solve for x
x = 4,799,412,107,243,712/87,636,578.42 - Step 6: Final answer
x = 54,764,941.69
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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.