Finding the Fourth Proportional to 119,668,920.70, 179,135,217.70 and 78,080,246.26
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Solution
The fourth proportional to 119,668,920.70, 179,135,217.70 and 78,080,246.26 is: 116,880,154.26
Step by Step Solution
- Step 1: Write the proportion equation
119,668,920.70 : 179,135,217.70 = 78,080,246.26 : x - Step 2: Convert to fraction form
119,668,920.70/179,135,217.70 = 78,080,246.26/x - Step 3: Cross multiply
119,668,920.70x = 179,135,217.70 × 78,080,246.26 - Step 4: Simplify right side
119,668,920.70x = 13,986,921,911,854,710 - Step 5: Solve for x
x = 13,986,921,911,854,710/119,668,920.70 - Step 6: Final answer
x = 116,880,154.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.