Finding the Fourth Proportional to 149,534,965.20, 224,332,774.20 and 84,869,749.20
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Solution
The fourth proportional to 149,534,965.20, 224,332,774.20 and 84,869,749.20 is: 127,321,835.79
Step by Step Solution
- Step 1: Write the proportion equation
149,534,965.20 : 224,332,774.20 = 84,869,749.20 : x - Step 2: Convert to fraction form
149,534,965.20/224,332,774.20 = 84,869,749.20/x - Step 3: Cross multiply
149,534,965.20x = 224,332,774.20 × 84,869,749.20 - Step 4: Simplify right side
149,534,965.20x = 19,039,066,283,694,232 - Step 5: Solve for x
x = 19,039,066,283,694,232/149,534,965.20 - Step 6: Final answer
x = 127,321,835.79
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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.