Finding the Fourth Proportional to 125,730,565.80, 188,595,848.70 and 110,614,021.80
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Solution
The fourth proportional to 125,730,565.80, 188,595,848.70 and 110,614,021.80 is: 165,921,032.70
Step by Step Solution
- Step 1: Write the proportion equation
125,730,565.80 : 188,595,848.70 = 110,614,021.80 : x - Step 2: Convert to fraction form
125,730,565.80/188,595,848.70 = 110,614,021.80/x - Step 3: Cross multiply
125,730,565.80x = 188,595,848.70 × 110,614,021.80 - Step 4: Simplify right side
125,730,565.80x = 20,861,345,319,491,300 - Step 5: Solve for x
x = 20,861,345,319,491,300/125,730,565.80 - Step 6: Final answer
x = 165,921,032.70
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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.