Finding the Fourth Proportional to 149,534,952.20, 224,332,754.70 and 84,869,736.20
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Solution
The fourth proportional to 149,534,952.20, 224,332,754.70 and 84,869,736.20 is: 127,321,816.29
Step by Step Solution
- Step 1: Write the proportion equation
149,534,952.20 : 224,332,754.70 = 84,869,736.20 : x - Step 2: Convert to fraction form
149,534,952.20/224,332,754.70 = 84,869,736.20/x - Step 3: Cross multiply
149,534,952.20x = 224,332,754.70 × 84,869,736.20 - Step 4: Simplify right side
149,534,952.20x = 19,039,061,712,408,308 - Step 5: Solve for x
x = 19,039,061,712,408,308/149,534,952.20 - Step 6: Final answer
x = 127,321,816.29
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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.