Finding the Fourth Proportional to 125,258,659.24, 172,780,541.20 and 82,872,149.80
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Solution
The fourth proportional to 125,258,659.24, 172,780,541.20 and 82,872,149.80 is: 114,313,014.20
Step by Step Solution
- Step 1: Write the proportion equation
125,258,659.24 : 172,780,541.20 = 82,872,149.80 : x - Step 2: Convert to fraction form
125,258,659.24/172,780,541.20 = 82,872,149.80/x - Step 3: Cross multiply
125,258,659.24x = 172,780,541.20 × 82,872,149.80 - Step 4: Simplify right side
125,258,659.24x = 14,318,694,892,851,470 - Step 5: Solve for x
x = 14,318,694,892,851,470/125,258,659.24 - Step 6: Final answer
x = 114,313,014.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.