Finding the Fourth Proportional to 129,126,423.17, 193,727,370.53 and 41,685,888.50
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Solution
The fourth proportional to 129,126,423.17, 193,727,370.53 and 41,685,888.50 is: 62,541,014.99
Step by Step Solution
- Step 1: Write the proportion equation
129,126,423.17 : 193,727,370.53 = 41,685,888.50 : x - Step 2: Convert to fraction form
129,126,423.17/193,727,370.53 = 41,685,888.50/x - Step 3: Cross multiply
129,126,423.17x = 193,727,370.53 × 41,685,888.50 - Step 4: Simplify right side
129,126,423.17x = 8,075,697,567,173,822 - Step 5: Solve for x
x = 8,075,697,567,173,822/129,126,423.17 - Step 6: Final answer
x = 62,541,014.99
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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.