Finding the Fourth Proportional to 84,152,177.55, 116,121,158.28 and 48,863,084.54
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Solution
The fourth proportional to 84,152,177.55, 116,121,158.28 and 48,863,084.54 is: 67,425,919.79
Step by Step Solution
- Step 1: Write the proportion equation
84,152,177.55 : 116,121,158.28 = 48,863,084.54 : x - Step 2: Convert to fraction form
84,152,177.55/116,121,158.28 = 48,863,084.54/x - Step 3: Cross multiply
84,152,177.55x = 116,121,158.28 × 48,863,084.54 - Step 4: Simplify right side
84,152,177.55x = 5,674,037,973,337,755 - Step 5: Solve for x
x = 5,674,037,973,337,755/84,152,177.55 - Step 6: Final answer
x = 67,425,919.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.