Finding the Fourth Proportional to 194,179,783.68, 267,967,284.48 and 107,259,655.68
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Solution
The fourth proportional to 194,179,783.68, 267,967,284.48 and 107,259,655.68 is: 148,017,873.55
Step by Step Solution
- Step 1: Write the proportion equation
194,179,783.68 : 267,967,284.48 = 107,259,655.68 : x - Step 2: Convert to fraction form
194,179,783.68/267,967,284.48 = 107,259,655.68/x - Step 3: Cross multiply
194,179,783.68x = 267,967,284.48 × 107,259,655.68 - Step 4: Simplify right side
194,179,783.68x = 28,742,078,666,829,408 - Step 5: Solve for x
x = 28,742,078,666,829,408/194,179,783.68 - Step 6: Final answer
x = 148,017,873.55
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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.