Finding the Fourth Proportional to 149,534,964.70, 224,332,773.45 and 84,869,748.70
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Solution
The fourth proportional to 149,534,964.70, 224,332,773.45 and 84,869,748.70 is: 127,321,835.04
Step by Step Solution
- Step 1: Write the proportion equation
149,534,964.70 : 224,332,773.45 = 84,869,748.70 : x - Step 2: Convert to fraction form
149,534,964.70/224,332,773.45 = 84,869,748.70/x - Step 3: Cross multiply
149,534,964.70x = 224,332,773.45 × 84,869,748.70 - Step 4: Simplify right side
149,534,964.70x = 19,039,066,107,875,532 - Step 5: Solve for x
x = 19,039,066,107,875,532/149,534,964.70 - Step 6: Final answer
x = 127,321,835.04
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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.