Finding the Fourth Proportional to 99,667,302.40, 149,471,462.40 and 39,048,140.80
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Solution
The fourth proportional to 99,667,302.40, 149,471,462.40 and 39,048,140.80 is: 58,560,656.99
Step by Step Solution
- Step 1: Write the proportion equation
99,667,302.40 : 149,471,462.40 = 39,048,140.80 : x - Step 2: Convert to fraction form
99,667,302.40/149,471,462.40 = 39,048,140.80/x - Step 3: Cross multiply
99,667,302.40x = 149,471,462.40 × 39,048,140.80 - Step 4: Simplify right side
99,667,302.40x = 5,836,582,709,377,106 - Step 5: Solve for x
x = 5,836,582,709,377,106/99,667,302.40 - Step 6: Final answer
x = 58,560,656.99
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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.