Finding the Fourth Proportional to 201,672,421.20, 302,023,671.84 and 115,148,577.60
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Solution
The fourth proportional to 201,672,421.20, 302,023,671.84 and 115,148,577.60 is: 172,445,969.59
Step by Step Solution
- Step 1: Write the proportion equation
201,672,421.20 : 302,023,671.84 = 115,148,577.60 : x - Step 2: Convert to fraction form
201,672,421.20/302,023,671.84 = 115,148,577.60/x - Step 3: Cross multiply
201,672,421.20x = 302,023,671.84 × 115,148,577.60 - Step 4: Simplify right side
201,672,421.20x = 34,777,596,213,905,168 - Step 5: Solve for x
x = 34,777,596,213,905,168/201,672,421.20 - Step 6: Final answer
x = 172,445,969.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.