Finding the Fourth Proportional to 265,901,637.60, 398,889,781.20 and 84,129,861.60
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Solution
The fourth proportional to 265,901,637.60, 398,889,781.20 and 84,129,861.60 is: 126,206,601.77
Step by Step Solution
- Step 1: Write the proportion equation
265,901,637.60 : 398,889,781.20 = 84,129,861.60 : x - Step 2: Convert to fraction form
265,901,637.60/398,889,781.20 = 84,129,861.60/x - Step 3: Cross multiply
265,901,637.60x = 398,889,781.20 × 84,129,861.60 - Step 4: Simplify right side
265,901,637.60x = 33,558,542,086,010,280 - Step 5: Solve for x
x = 33,558,542,086,010,280/265,901,637.60 - Step 6: Final answer
x = 126,206,601.77
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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.