Finding the Fourth Proportional to 186,441,308.20, 279,661,962.30 and 118,584,821.80
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Solution
The fourth proportional to 186,441,308.20, 279,661,962.30 and 118,584,821.80 is: 177,877,232.70
Step by Step Solution
- Step 1: Write the proportion equation
186,441,308.20 : 279,661,962.30 = 118,584,821.80 : x - Step 2: Convert to fraction form
186,441,308.20/279,661,962.30 = 118,584,821.80/x - Step 3: Cross multiply
186,441,308.20x = 279,661,962.30 × 118,584,821.80 - Step 4: Simplify right side
186,441,308.20x = 33,163,663,963,583,820 - Step 5: Solve for x
x = 33,163,663,963,583,820/186,441,308.20 - Step 6: Final answer
x = 177,877,232.70
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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.