Finding the Fourth Proportional to 149,465,202.20, 224,233,232.70 and 76,693,214.60
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Solution
The fourth proportional to 149,465,202.20, 224,233,232.70 and 76,693,214.60 is: 115,058,001.35
Step by Step Solution
- Step 1: Write the proportion equation
149,465,202.20 : 224,233,232.70 = 76,693,214.60 : x - Step 2: Convert to fraction form
149,465,202.20/224,233,232.70 = 76,693,214.60/x - Step 3: Cross multiply
149,465,202.20x = 224,233,232.70 × 76,693,214.60 - Step 4: Simplify right side
149,465,202.20x = 17,197,167,435,912,836 - Step 5: Solve for x
x = 17,197,167,435,912,836/149,465,202.20 - Step 6: Final answer
x = 115,058,001.35
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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.