Finding the Fourth Proportional to 250,676,811.20, 375,696,352.20 and 121,005,207.20
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Solution
The fourth proportional to 250,676,811.20, 375,696,352.20 and 121,005,207.20 is: 181,353,890.39
Step by Step Solution
- Step 1: Write the proportion equation
250,676,811.20 : 375,696,352.20 = 121,005,207.20 : x - Step 2: Convert to fraction form
250,676,811.20/375,696,352.20 = 121,005,207.20/x - Step 3: Cross multiply
250,676,811.20x = 375,696,352.20 × 121,005,207.20 - Step 4: Simplify right side
250,676,811.20x = 45,461,214,942,245,176 - Step 5: Solve for x
x = 45,461,214,942,245,176/250,676,811.20 - Step 6: Final answer
x = 181,353,890.39
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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.