Finding the Fourth Proportional to 125,668,405.56, 173,423,995.65 and 69,159,657.66
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Solution
The fourth proportional to 125,668,405.56, 173,423,995.65 and 69,159,657.66 is: 95,441,205.89
Step by Step Solution
- Step 1: Write the proportion equation
125,668,405.56 : 173,423,995.65 = 69,159,657.66 : x - Step 2: Convert to fraction form
125,668,405.56/173,423,995.65 = 69,159,657.66/x - Step 3: Cross multiply
125,668,405.56x = 173,423,995.65 × 69,159,657.66 - Step 4: Simplify right side
125,668,405.56x = 11,993,944,169,183,328 - Step 5: Solve for x
x = 11,993,944,169,183,328/125,668,405.56 - Step 6: Final answer
x = 95,441,205.89
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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.