Finding the Fourth Proportional to 87,432,417.20, 131,232,606.60 and 44,350,266.80
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Solution
The fourth proportional to 87,432,417.20, 131,232,606.60 and 44,350,266.80 is: 66,567,999.63
Step by Step Solution
- Step 1: Write the proportion equation
87,432,417.20 : 131,232,606.60 = 44,350,266.80 : x - Step 2: Convert to fraction form
87,432,417.20/131,232,606.60 = 44,350,266.80/x - Step 3: Cross multiply
87,432,417.20x = 131,232,606.60 × 44,350,266.80 - Step 4: Simplify right side
87,432,417.20x = 5,820,201,115,569,440 - Step 5: Solve for x
x = 5,820,201,115,569,440/87,432,417.20 - Step 6: Final answer
x = 66,567,999.63
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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.