Finding the Fourth Proportional to 90,731,946.24, 125,210,283.84 and 51,573,962.88
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Solution
The fourth proportional to 90,731,946.24, 125,210,283.84 and 51,573,962.88 is: 71,172,181.34
Step by Step Solution
- Step 1: Write the proportion equation
90,731,946.24 : 125,210,283.84 = 51,573,962.88 : x - Step 2: Convert to fraction form
90,731,946.24/125,210,283.84 = 51,573,962.88/x - Step 3: Cross multiply
90,731,946.24x = 125,210,283.84 × 51,573,962.88 - Step 4: Simplify right side
90,731,946.24x = 6,457,590,530,958,424 - Step 5: Solve for x
x = 6,457,590,530,958,424/90,731,946.24 - Step 6: Final answer
x = 71,172,181.34
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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.