Finding the Fourth Proportional to 134,764,232.49, 185,974,639.39 and 72,884,571.05
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Solution
The fourth proportional to 134,764,232.49, 185,974,639.39 and 72,884,571.05 is: 100,580,707.27
Step by Step Solution
- Step 1: Write the proportion equation
134,764,232.49 : 185,974,639.39 = 72,884,571.05 : x - Step 2: Convert to fraction form
134,764,232.49/185,974,639.39 = 72,884,571.05/x - Step 3: Cross multiply
134,764,232.49x = 185,974,639.39 × 72,884,571.05 - Step 4: Simplify right side
134,764,232.49x = 13,554,681,817,977,222 - Step 5: Solve for x
x = 13,554,681,817,977,222/134,764,232.49 - Step 6: Final answer
x = 100,580,707.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.