Finding the Fourth Proportional to 190,734,384.28, 285,684,449.01 and 135,233,986.18
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Solution
The fourth proportional to 190,734,384.28, 285,684,449.01 and 135,233,986.18 is: 202,555,228.70
Step by Step Solution
- Step 1: Write the proportion equation
190,734,384.28 : 285,684,449.01 = 135,233,986.18 : x - Step 2: Convert to fraction form
190,734,384.28/285,684,449.01 = 135,233,986.18/x - Step 3: Cross multiply
190,734,384.28x = 285,684,449.01 × 135,233,986.18 - Step 4: Simplify right side
190,734,384.28x = 38,634,246,829,259,256 - Step 5: Solve for x
x = 38,634,246,829,259,256/190,734,384.28 - Step 6: Final answer
x = 202,555,228.70
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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.