Finding the Fourth Proportional to 149,788,829.40, 224,851,205.70 and 115,860,586.20
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Solution
The fourth proportional to 149,788,829.40, 224,851,205.70 and 115,860,586.20 is: 173,920,796.39
Step by Step Solution
- Step 1: Write the proportion equation
149,788,829.40 : 224,851,205.70 = 115,860,586.20 : x - Step 2: Convert to fraction form
149,788,829.40/224,851,205.70 = 115,860,586.20/x - Step 3: Cross multiply
149,788,829.40x = 224,851,205.70 × 115,860,586.20 - Step 4: Simplify right side
149,788,829.40x = 26,051,392,500,178,780 - Step 5: Solve for x
x = 26,051,392,500,178,780/149,788,829.40 - Step 6: Final answer
x = 173,920,796.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.