Finding the Fourth Proportional to 85,824,318.16, 128,724,356.40 and 27,524,420.46
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Solution
The fourth proportional to 85,824,318.16, 128,724,356.40 and 27,524,420.46 is: 41,282,743.46
Step by Step Solution
- Step 1: Write the proportion equation
85,824,318.16 : 128,724,356.40 = 27,524,420.46 : x - Step 2: Convert to fraction form
85,824,318.16/128,724,356.40 = 27,524,420.46/x - Step 3: Cross multiply
85,824,318.16x = 128,724,356.40 × 27,524,420.46 - Step 4: Simplify right side
85,824,318.16x = 3,543,063,308,996,492 - Step 5: Solve for x
x = 3,543,063,308,996,492/85,824,318.16 - Step 6: Final answer
x = 41,282,743.46
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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.