Finding the Fourth Proportional to 88,139,204.64, 121,635,056.16 and 48,982,631.76
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Solution
The fourth proportional to 88,139,204.64, 121,635,056.16 and 48,982,631.76 is: 67,597,673.35
Step by Step Solution
- Step 1: Write the proportion equation
88,139,204.64 : 121,635,056.16 = 48,982,631.76 : x - Step 2: Convert to fraction form
88,139,204.64/121,635,056.16 = 48,982,631.76/x - Step 3: Cross multiply
88,139,204.64x = 121,635,056.16 × 48,982,631.76 - Step 4: Simplify right side
88,139,204.64x = 5,958,005,164,992,199 - Step 5: Solve for x
x = 5,958,005,164,992,199/88,139,204.64 - Step 6: Final answer
x = 67,597,673.35
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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.