Finding the Fourth Proportional to 125,730,397.80, 188,595,596.70 and 110,613,853.80
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Solution
The fourth proportional to 125,730,397.80, 188,595,596.70 and 110,613,853.80 is: 165,920,780.70
Step by Step Solution
- Step 1: Write the proportion equation
125,730,397.80 : 188,595,596.70 = 110,613,853.80 : x - Step 2: Convert to fraction form
125,730,397.80/188,595,596.70 = 110,613,853.80/x - Step 3: Cross multiply
125,730,397.80x = 188,595,596.70 × 110,613,853.80 - Step 4: Simplify right side
125,730,397.80x = 20,861,285,760,697,560 - Step 5: Solve for x
x = 20,861,285,760,697,560/125,730,397.80 - Step 6: Final answer
x = 165,920,780.70
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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.