Finding the Fourth Proportional to 99,708,053.46, 149,825,110.68 and 53,683,950.66
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Solution
The fourth proportional to 99,708,053.46, 149,825,110.68 and 53,683,950.66 is: 80,667,544.60
Step by Step Solution
- Step 1: Write the proportion equation
99,708,053.46 : 149,825,110.68 = 53,683,950.66 : x - Step 2: Convert to fraction form
99,708,053.46/149,825,110.68 = 53,683,950.66/x - Step 3: Cross multiply
99,708,053.46x = 149,825,110.68 × 53,683,950.66 - Step 4: Simplify right side
99,708,053.46x = 8,043,203,849,374,159 - Step 5: Solve for x
x = 8,043,203,849,374,159/99,708,053.46 - Step 6: Final answer
x = 80,667,544.60
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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.