Finding the Fourth Proportional to 306,069,917.20, 459,227,909.40 and 124,331,318.80
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Solution
The fourth proportional to 306,069,917.20, 459,227,909.40 and 124,331,318.80 is: 186,546,956.75
Step by Step Solution
- Step 1: Write the proportion equation
306,069,917.20 : 459,227,909.40 = 124,331,318.80 : x - Step 2: Convert to fraction form
306,069,917.20/459,227,909.40 = 124,331,318.80/x - Step 3: Cross multiply
306,069,917.20x = 459,227,909.40 × 124,331,318.80 - Step 4: Simplify right side
306,069,917.20x = 57,096,411,605,468,912 - Step 5: Solve for x
x = 57,096,411,605,468,912/306,069,917.20 - Step 6: Final answer
x = 186,546,956.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.