Finding the Fourth Proportional to 149,534,921.70, 224,332,708.95 and 84,869,705.70
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Solution
The fourth proportional to 149,534,921.70, 224,332,708.95 and 84,869,705.70 is: 127,321,770.53
Step by Step Solution
- Step 1: Write the proportion equation
149,534,921.70 : 224,332,708.95 = 84,869,705.70 : x - Step 2: Convert to fraction form
149,534,921.70/224,332,708.95 = 84,869,705.70/x - Step 3: Cross multiply
149,534,921.70x = 224,332,708.95 × 84,869,705.70 - Step 4: Simplify right side
149,534,921.70x = 19,039,050,987,470,256 - Step 5: Solve for x
x = 19,039,050,987,470,256/149,534,921.70 - Step 6: Final answer
x = 127,321,770.53
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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.