Finding the Fourth Proportional to 119,912,758.02, 179,857,031.99 and 81,299,140.70
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Solution
The fourth proportional to 119,912,758.02, 179,857,031.99 and 81,299,140.70 is: 121,940,503.99
Step by Step Solution
- Step 1: Write the proportion equation
119,912,758.02 : 179,857,031.99 = 81,299,140.70 : x - Step 2: Convert to fraction form
119,912,758.02/179,857,031.99 = 81,299,140.70/x - Step 3: Cross multiply
119,912,758.02x = 179,857,031.99 × 81,299,140.70 - Step 4: Simplify right side
119,912,758.02x = 14,622,222,148,333,630 - Step 5: Solve for x
x = 14,622,222,148,333,630/119,912,758.02 - Step 6: Final answer
x = 121,940,503.99
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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.