Finding the Fourth Proportional to 156,915,124.35, 235,372,686.53 and 49,209,575.55
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Solution
The fourth proportional to 156,915,124.35, 235,372,686.53 and 49,209,575.55 is: 73,814,363.33
Step by Step Solution
- Step 1: Write the proportion equation
156,915,124.35 : 235,372,686.53 = 49,209,575.55 : x - Step 2: Convert to fraction form
156,915,124.35/235,372,686.53 = 49,209,575.55/x - Step 3: Cross multiply
156,915,124.35x = 235,372,686.53 × 49,209,575.55 - Step 4: Simplify right side
156,915,124.35x = 11,582,589,999,958,454 - Step 5: Solve for x
x = 11,582,589,999,958,454/156,915,124.35 - Step 6: Final answer
x = 73,814,363.33
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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.