Finding the Fourth Proportional to 289,249,933.06, 399,189,525.41 and 163,824,441.17
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Solution
The fourth proportional to 289,249,933.06, 399,189,525.41 and 163,824,441.17 is: 226,091,671.75
Step by Step Solution
- Step 1: Write the proportion equation
289,249,933.06 : 399,189,525.41 = 163,824,441.17 : x - Step 2: Convert to fraction form
289,249,933.06/399,189,525.41 = 163,824,441.17/x - Step 3: Cross multiply
289,249,933.06x = 399,189,525.41 × 163,824,441.17 - Step 4: Simplify right side
289,249,933.06x = 65,397,000,919,624,376 - Step 5: Solve for x
x = 65,397,000,919,624,376/289,249,933.06 - Step 6: Final answer
x = 226,091,671.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.