Finding the Fourth Proportional to 314,930,960.76, 434,604,995.10 and 175,701,744.12
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Solution
The fourth proportional to 314,930,960.76, 434,604,995.10 and 175,701,744.12 is: 242,468,557.10
Step by Step Solution
- Step 1: Write the proportion equation
314,930,960.76 : 434,604,995.10 = 175,701,744.12 : x - Step 2: Convert to fraction form
314,930,960.76/434,604,995.10 = 175,701,744.12/x - Step 3: Cross multiply
314,930,960.76x = 434,604,995.10 × 175,701,744.12 - Step 4: Simplify right side
314,930,960.76x = 76,360,855,642,334,064 - Step 5: Solve for x
x = 76,360,855,642,334,064/314,930,960.76 - Step 6: Final answer
x = 242,468,557.10
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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.