Finding the Fourth Proportional to 160,346,838.20, 240,521,057.98 and 56,716,138.91
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Solution
The fourth proportional to 160,346,838.20, 240,521,057.98 and 56,716,138.91 is: 85,074,491.58
Step by Step Solution
- Step 1: Write the proportion equation
160,346,838.20 : 240,521,057.98 = 56,716,138.91 : x - Step 2: Convert to fraction form
160,346,838.20/240,521,057.98 = 56,716,138.91/x - Step 3: Cross multiply
160,346,838.20x = 240,521,057.98 × 56,716,138.91 - Step 4: Simplify right side
160,346,838.20x = 13,641,425,735,633,356 - Step 5: Solve for x
x = 13,641,425,735,633,356/160,346,838.20 - Step 6: Final answer
x = 85,074,491.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.