Finding the Fourth Proportional to 91,225,572, 125,790,409.44 and 58,133,400
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Solution
The fourth proportional to 91,225,572, 125,790,409.44 and 58,133,400 is: 80,159,806.38
Step by Step Solution
- Step 1: Write the proportion equation
91,225,572 : 125,790,409.44 = 58,133,400 : x - Step 2: Convert to fraction form
91,225,572/125,790,409.44 = 58,133,400/x - Step 3: Cross multiply
91,225,572x = 125,790,409.44 × 58,133,400 - Step 4: Simplify right side
91,225,572x = 7,312,624,188,139,296 - Step 5: Solve for x
x = 7,312,624,188,139,296/91,225,572 - Step 6: Final answer
x = 80,159,806.38
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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.