Finding the Fourth Proportional to 80,259,857.81, 120,360,257.10 and 27,724,159.61
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Solution
The fourth proportional to 80,259,857.81, 120,360,257.10 and 27,724,159.61 is: 41,576,038.99
Step by Step Solution
- Step 1: Write the proportion equation
80,259,857.81 : 120,360,257.10 = 27,724,159.61 : x - Step 2: Convert to fraction form
80,259,857.81/120,360,257.10 = 27,724,159.61/x - Step 3: Cross multiply
80,259,857.81x = 120,360,257.10 × 27,724,159.61 - Step 4: Simplify right side
80,259,857.81x = 3,336,886,977,835,269 - Step 5: Solve for x
x = 3,336,886,977,835,269/80,259,857.81 - Step 6: Final answer
x = 41,576,038.99
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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.