Finding the Fourth Proportional to 149,285,936.72, 206,015,548.99 and 83,210,624.71
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Solution
The fourth proportional to 149,285,936.72, 206,015,548.99 and 83,210,624.71 is: 114,831,195.14
Step by Step Solution
- Step 1: Write the proportion equation
149,285,936.72 : 206,015,548.99 = 83,210,624.71 : x - Step 2: Convert to fraction form
149,285,936.72/206,015,548.99 = 83,210,624.71/x - Step 3: Cross multiply
149,285,936.72x = 206,015,548.99 × 83,210,624.71 - Step 4: Simplify right side
149,285,936.72x = 17,142,682,531,124,496 - Step 5: Solve for x
x = 17,142,682,531,124,496/149,285,936.72 - Step 6: Final answer
x = 114,831,195.14
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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.