Finding the Fourth Proportional to 145,939,682.10, 218,909,523.15 and 134,035,403.70
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Solution
The fourth proportional to 145,939,682.10, 218,909,523.15 and 134,035,403.70 is: 201,053,105.55
Step by Step Solution
- Step 1: Write the proportion equation
145,939,682.10 : 218,909,523.15 = 134,035,403.70 : x - Step 2: Convert to fraction form
145,939,682.10/218,909,523.15 = 134,035,403.70/x - Step 3: Cross multiply
145,939,682.10x = 218,909,523.15 × 134,035,403.70 - Step 4: Simplify right side
145,939,682.10x = 29,341,626,309,184,748 - Step 5: Solve for x
x = 29,341,626,309,184,748/145,939,682.10 - Step 6: Final answer
x = 201,053,105.55
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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.