Finding the Fourth Proportional to 90,177,676.20, 124,445,431.08 and 48,924,568.44
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Solution
The fourth proportional to 90,177,676.20, 124,445,431.08 and 48,924,568.44 is: 67,516,033.53
Step by Step Solution
- Step 1: Write the proportion equation
90,177,676.20 : 124,445,431.08 = 48,924,568.44 : x - Step 2: Convert to fraction form
90,177,676.20/124,445,431.08 = 48,924,568.44/x - Step 3: Cross multiply
90,177,676.20x = 124,445,431.08 × 48,924,568.44 - Step 4: Simplify right side
90,177,676.20x = 6,088,439,009,918,763 - Step 5: Solve for x
x = 6,088,439,009,918,763/90,177,676.20 - Step 6: Final answer
x = 67,516,033.53
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1.5x scale
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.