Finding the Fourth Proportional to 247,102,517.65, 341,000,538.61 and 135,595,224.13
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Solution
The fourth proportional to 247,102,517.65, 341,000,538.61 and 135,595,224.13 is: 187,120,895.82
Step by Step Solution
- Step 1: Write the proportion equation
247,102,517.65 : 341,000,538.61 = 135,595,224.13 : x - Step 2: Convert to fraction form
247,102,517.65/341,000,538.61 = 135,595,224.13/x - Step 3: Cross multiply
247,102,517.65x = 341,000,538.61 × 135,595,224.13 - Step 4: Simplify right side
247,102,517.65x = 46,238,044,461,273,672 - Step 5: Solve for x
x = 46,238,044,461,273,672/247,102,517.65 - Step 6: Final answer
x = 187,120,895.82
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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.