Finding the Fourth Proportional to 314,828,729.69, 434,465,156.12 and 173,699,942.99
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Solution
The fourth proportional to 314,828,729.69, 434,465,156.12 and 173,699,942.99 is: 239,706,753.96
Step by Step Solution
- Step 1: Write the proportion equation
314,828,729.69 : 434,465,156.12 = 173,699,942.99 : x - Step 2: Convert to fraction form
314,828,729.69/434,465,156.12 = 173,699,942.99/x - Step 3: Cross multiply
314,828,729.69x = 434,465,156.12 × 173,699,942.99 - Step 4: Simplify right side
314,828,729.69x = 75,466,572,846,144,624 - Step 5: Solve for x
x = 75,466,572,846,144,624/314,828,729.69 - Step 6: Final answer
x = 239,706,753.96
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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.