Finding the Fourth Proportional to 235,860,401.80, 353,790,602.70 and 121,069,145.80
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Solution
The fourth proportional to 235,860,401.80, 353,790,602.70 and 121,069,145.80 is: 181,603,718.70
Step by Step Solution
- Step 1: Write the proportion equation
235,860,401.80 : 353,790,602.70 = 121,069,145.80 : x - Step 2: Convert to fraction form
235,860,401.80/353,790,602.70 = 121,069,145.80/x - Step 3: Cross multiply
235,860,401.80x = 353,790,602.70 × 121,069,145.80 - Step 4: Simplify right side
235,860,401.80x = 42,833,126,060,956,168 - Step 5: Solve for x
x = 42,833,126,060,956,168/235,860,401.80 - Step 6: Final answer
x = 181,603,718.70
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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.