Finding the Fourth Proportional to 47,387,649.70, 71,081,474.55 and 44,199,003.70
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Solution
The fourth proportional to 47,387,649.70, 71,081,474.55 and 44,199,003.70 is: 66,298,505.55
Step by Step Solution
- Step 1: Write the proportion equation
47,387,649.70 : 71,081,474.55 = 44,199,003.70 : x - Step 2: Convert to fraction form
47,387,649.70/71,081,474.55 = 44,199,003.70/x - Step 3: Cross multiply
47,387,649.70x = 71,081,474.55 × 44,199,003.70 - Step 4: Simplify right side
47,387,649.70x = 3,141,730,356,636,906 - Step 5: Solve for x
x = 3,141,730,356,636,906/47,387,649.70 - Step 6: Final answer
x = 66,298,505.55
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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.