Finding the Fourth Proportional to 156,915,264.60, 235,372,896.90 and 49,209,715.80
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Solution
The fourth proportional to 156,915,264.60, 235,372,896.90 and 49,209,715.80 is: 73,814,573.70
Step by Step Solution
- Step 1: Write the proportion equation
156,915,264.60 : 235,372,896.90 = 49,209,715.80 : x - Step 2: Convert to fraction form
156,915,264.60/235,372,896.90 = 49,209,715.80/x - Step 3: Cross multiply
156,915,264.60x = 235,372,896.90 × 49,209,715.80 - Step 4: Simplify right side
156,915,264.60x = 11,582,633,363,471,700 - Step 5: Solve for x
x = 11,582,633,363,471,700/156,915,264.60 - Step 6: Final answer
x = 73,814,573.70
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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.