Finding the Fourth Proportional to 121,349,343.20, 182,024,014.80 and 121,349,343.20
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Solution
The fourth proportional to 121,349,343.20, 182,024,014.80 and 121,349,343.20 is: 182,024,014.80
Step by Step Solution
- Step 1: Write the proportion equation
121,349,343.20 : 182,024,014.80 = 121,349,343.20 : x - Step 2: Convert to fraction form
121,349,343.20/182,024,014.80 = 121,349,343.20/x - Step 3: Cross multiply
121,349,343.20x = 182,024,014.80 × 121,349,343.20 - Step 4: Simplify right side
121,349,343.20x = 22,088,494,642,607,080 - Step 5: Solve for x
x = 22,088,494,642,607,080/121,349,343.20 - Step 6: Final answer
x = 182,024,014.80
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1.5x scale
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.