Finding the Fourth Proportional to 170,754,409.30, 235,641,160.86 and 92,437,960.26
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Solution
The fourth proportional to 170,754,409.30, 235,641,160.86 and 92,437,960.26 is: 127,564,426.32
Step by Step Solution
- Step 1: Write the proportion equation
170,754,409.30 : 235,641,160.86 = 92,437,960.26 : x - Step 2: Convert to fraction form
170,754,409.30/235,641,160.86 = 92,437,960.26/x - Step 3: Cross multiply
170,754,409.30x = 235,641,160.86 × 92,437,960.26 - Step 4: Simplify right side
170,754,409.30x = 21,782,188,263,196,952 - Step 5: Solve for x
x = 21,782,188,263,196,952/170,754,409.30 - Step 6: Final answer
x = 127,564,426.32
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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.