Finding the Fourth Proportional to 250,582,502.40, 375,873,753.60 and 135,791,246.40
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Solution
The fourth proportional to 250,582,502.40, 375,873,753.60 and 135,791,246.40 is: 203,686,869.60
Step by Step Solution
- Step 1: Write the proportion equation
250,582,502.40 : 375,873,753.60 = 135,791,246.40 : x - Step 2: Convert to fraction form
250,582,502.40/375,873,753.60 = 135,791,246.40/x - Step 3: Cross multiply
250,582,502.40x = 375,873,753.60 × 135,791,246.40 - Step 4: Simplify right side
250,582,502.40x = 51,040,365,490,390,496 - Step 5: Solve for x
x = 51,040,365,490,390,496/250,582,502.40 - Step 6: Final answer
x = 203,686,869.60
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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.