Finding the Fourth Proportional to 150,215,225.16, 207,398,234.49 and 93,785,970.96
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Solution
The fourth proportional to 150,215,225.16, 207,398,234.49 and 93,785,970.96 is: 129,487,838.38
Step by Step Solution
- Step 1: Write the proportion equation
150,215,225.16 : 207,398,234.49 = 93,785,970.96 : x - Step 2: Convert to fraction form
150,215,225.16/207,398,234.49 = 93,785,970.96/x - Step 3: Cross multiply
150,215,225.16x = 207,398,234.49 × 93,785,970.96 - Step 4: Simplify right side
150,215,225.16x = 19,451,044,797,034,408 - Step 5: Solve for x
x = 19,451,044,797,034,408/150,215,225.16 - Step 6: Final answer
x = 129,487,838.38
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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.