Finding the Fourth Proportional to 217,069,599.67, 299,555,395.31 and 117,950,649.48
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Solution
The fourth proportional to 217,069,599.67, 299,555,395.31 and 117,950,649.48 is: 162,771,541.88
Step by Step Solution
- Step 1: Write the proportion equation
217,069,599.67 : 299,555,395.31 = 117,950,649.48 : x - Step 2: Convert to fraction form
217,069,599.67/299,555,395.31 = 117,950,649.48/x - Step 3: Cross multiply
217,069,599.67x = 299,555,395.31 × 117,950,649.48 - Step 4: Simplify right side
217,069,599.67x = 35,332,753,432,347,524 - Step 5: Solve for x
x = 35,332,753,432,347,524/217,069,599.67 - Step 6: Final answer
x = 162,771,541.88
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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.