Finding the Fourth Proportional to 178,519,322.32, 246,348,372.27 and 99,139,423.84
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Solution
The fourth proportional to 178,519,322.32, 246,348,372.27 and 99,139,423.84 is: 136,807,799.70
Step by Step Solution
- Step 1: Write the proportion equation
178,519,322.32 : 246,348,372.27 = 99,139,423.84 : x - Step 2: Convert to fraction form
178,519,322.32/246,348,372.27 = 99,139,423.84/x - Step 3: Cross multiply
178,519,322.32x = 246,348,372.27 × 99,139,423.84 - Step 4: Simplify right side
178,519,322.32x = 24,422,835,690,769,636 - Step 5: Solve for x
x = 24,422,835,690,769,636/178,519,322.32 - Step 6: Final answer
x = 136,807,799.70
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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.