Finding the Fourth Proportional to 163,376,559.20, 244,728,915.60 and 112,316,232.80
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Solution
The fourth proportional to 163,376,559.20, 244,728,915.60 and 112,316,232.80 is: 168,243,412.59
Step by Step Solution
- Step 1: Write the proportion equation
163,376,559.20 : 244,728,915.60 = 112,316,232.80 : x - Step 2: Convert to fraction form
163,376,559.20/244,728,915.60 = 112,316,232.80/x - Step 3: Cross multiply
163,376,559.20x = 244,728,915.60 × 112,316,232.80 - Step 4: Simplify right side
163,376,559.20x = 27,487,029,857,421,152 - Step 5: Solve for x
x = 27,487,029,857,421,152/163,376,559.20 - Step 6: Final answer
x = 168,243,412.59
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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.