Finding the Fourth Proportional to 102,114,936.99, 152,375,968.08 and 91,109,472.06
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Solution
The fourth proportional to 102,114,936.99, 152,375,968.08 and 91,109,472.06 is: 135,953,606.94
Step by Step Solution
- Step 1: Write the proportion equation
102,114,936.99 : 152,375,968.08 = 91,109,472.06 : x - Step 2: Convert to fraction form
102,114,936.99/152,375,968.08 = 91,109,472.06/x - Step 3: Cross multiply
102,114,936.99x = 152,375,968.08 × 91,109,472.06 - Step 4: Simplify right side
102,114,936.99x = 13,882,894,006,400,214 - Step 5: Solve for x
x = 13,882,894,006,400,214/102,114,936.99 - Step 6: Final answer
x = 135,953,606.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.