Finding the Fourth Proportional to 87,417,645.25, 120,633,181.86 and 48,258,579.19
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Solution
The fourth proportional to 87,417,645.25, 120,633,181.86 and 48,258,579.19 is: 66,595,090.08
Step by Step Solution
- Step 1: Write the proportion equation
87,417,645.25 : 120,633,181.86 = 48,258,579.19 : x - Step 2: Convert to fraction form
87,417,645.25/120,633,181.86 = 48,258,579.19/x - Step 3: Cross multiply
87,417,645.25x = 120,633,181.86 × 48,258,579.19 - Step 4: Simplify right side
87,417,645.25x = 5,821,585,959,732,481 - Step 5: Solve for x
x = 5,821,585,959,732,481/87,417,645.25 - Step 6: Final answer
x = 66,595,090.08
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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.