Finding the Fourth Proportional to 149,604,609.80, 224,406,914.70 and 92,208,981.80
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Solution
The fourth proportional to 149,604,609.80, 224,406,914.70 and 92,208,981.80 is: 138,313,472.70
Step by Step Solution
- Step 1: Write the proportion equation
149,604,609.80 : 224,406,914.70 = 92,208,981.80 : x - Step 2: Convert to fraction form
149,604,609.80/224,406,914.70 = 92,208,981.80/x - Step 3: Cross multiply
149,604,609.80x = 224,406,914.70 × 92,208,981.80 - Step 4: Simplify right side
149,604,609.80x = 20,692,333,113,366,452 - Step 5: Solve for x
x = 20,692,333,113,366,452/149,604,609.80 - Step 6: Final answer
x = 138,313,472.70
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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.