Finding the Fourth Proportional to 133,385,682.70, 184,072,242.12 and 72,338,898.70
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Solution
The fourth proportional to 133,385,682.70, 184,072,242.12 and 72,338,898.70 is: 99,827,680.20
Step by Step Solution
- Step 1: Write the proportion equation
133,385,682.70 : 184,072,242.12 = 72,338,898.70 : x - Step 2: Convert to fraction form
133,385,682.70/184,072,242.12 = 72,338,898.70/x - Step 3: Cross multiply
133,385,682.70x = 184,072,242.12 × 72,338,898.70 - Step 4: Simplify right side
133,385,682.70x = 13,315,583,276,200,554 - Step 5: Solve for x
x = 13,315,583,276,200,554/133,385,682.70 - Step 6: Final answer
x = 99,827,680.20
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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.