Finding the Fourth Proportional to 247,102,510.79, 341,000,529.09 and 135,595,217.23
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Solution
The fourth proportional to 247,102,510.79, 341,000,529.09 and 135,595,217.23 is: 187,120,886.27
Step by Step Solution
- Step 1: Write the proportion equation
247,102,510.79 : 341,000,529.09 = 135,595,217.23 : x - Step 2: Convert to fraction form
247,102,510.79/341,000,529.09 = 135,595,217.23/x - Step 3: Cross multiply
247,102,510.79x = 341,000,529.09 × 135,595,217.23 - Step 4: Simplify right side
247,102,510.79x = 46,238,040,817,503,480 - Step 5: Solve for x
x = 46,238,040,817,503,480/247,102,510.79 - Step 6: Final answer
x = 187,120,886.27
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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.