Finding the Fourth Proportional to 131,490,302.70, 197,235,454.05 and 59,686,718.70
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Solution
The fourth proportional to 131,490,302.70, 197,235,454.05 and 59,686,718.70 is: 89,530,078.05
Step by Step Solution
- Step 1: Write the proportion equation
131,490,302.70 : 197,235,454.05 = 59,686,718.70 : x - Step 2: Convert to fraction form
131,490,302.70/197,235,454.05 = 59,686,718.70/x - Step 3: Cross multiply
131,490,302.70x = 197,235,454.05 × 59,686,718.70 - Step 4: Simplify right side
131,490,302.70x = 11,772,337,063,549,128 - Step 5: Solve for x
x = 11,772,337,063,549,128/131,490,302.70 - Step 6: Final answer
x = 89,530,078.05
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1.5x scale
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.