Finding the Fourth Proportional to 214,377,156.08, 295,840,621.20 and 120,278,312.96
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Solution
The fourth proportional to 214,377,156.08, 295,840,621.20 and 120,278,312.96 is: 165,984,153.69
Step by Step Solution
- Step 1: Write the proportion equation
214,377,156.08 : 295,840,621.20 = 120,278,312.96 : x - Step 2: Convert to fraction form
214,377,156.08/295,840,621.20 = 120,278,312.96/x - Step 3: Cross multiply
214,377,156.08x = 295,840,621.20 × 120,278,312.96 - Step 4: Simplify right side
214,377,156.08x = 35,583,210,822,974,408 - Step 5: Solve for x
x = 35,583,210,822,974,408/214,377,156.08 - Step 6: Final answer
x = 165,984,153.69
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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.