Finding the Fourth Proportional to 86,407,262.99, 129,611,025.93 and 35,289,281.80
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Solution
The fourth proportional to 86,407,262.99, 129,611,025.93 and 35,289,281.80 is: 52,933,976.38
Step by Step Solution
- Step 1: Write the proportion equation
86,407,262.99 : 129,611,025.93 = 35,289,281.80 : x - Step 2: Convert to fraction form
86,407,262.99/129,611,025.93 = 35,289,281.80/x - Step 3: Cross multiply
86,407,262.99x = 129,611,025.93 × 35,289,281.80 - Step 4: Simplify right side
86,407,262.99x = 4,573,880,018,254,430 - Step 5: Solve for x
x = 4,573,880,018,254,430/86,407,262.99 - Step 6: Final answer
x = 52,933,976.38
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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.