Finding the Fourth Proportional to 99,668,132.70, 149,502,199.05 and 26,884,772.70
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Solution
The fourth proportional to 99,668,132.70, 149,502,199.05 and 26,884,772.70 is: 40,327,159.05
Step by Step Solution
- Step 1: Write the proportion equation
99,668,132.70 : 149,502,199.05 = 26,884,772.70 : x - Step 2: Convert to fraction form
99,668,132.70/149,502,199.05 = 26,884,772.70/x - Step 3: Cross multiply
99,668,132.70x = 149,502,199.05 × 26,884,772.70 - Step 4: Simplify right side
99,668,132.70x = 4,019,332,639,609,406 - Step 5: Solve for x
x = 4,019,332,639,609,406/99,668,132.70 - Step 6: Final answer
x = 40,327,159.05
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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.