Finding the Fourth Proportional to 247,102,509.79, 341,000,527.71 and 135,595,216.23
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Solution
The fourth proportional to 247,102,509.79, 341,000,527.71 and 135,595,216.23 is: 187,120,884.89
Step by Step Solution
- Step 1: Write the proportion equation
247,102,509.79 : 341,000,527.71 = 135,595,216.23 : x - Step 2: Convert to fraction form
247,102,509.79/341,000,527.71 = 135,595,216.23/x - Step 3: Cross multiply
247,102,509.79x = 341,000,527.71 × 135,595,216.23 - Step 4: Simplify right side
247,102,509.79x = 46,238,040,289,767,720 - Step 5: Solve for x
x = 46,238,040,289,767,720/247,102,509.79 - Step 6: Final answer
x = 187,120,884.89
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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.