Finding the Fourth Proportional to 198,349,753.60, 297,524,630.40 and 176,808,678.40
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Solution
The fourth proportional to 198,349,753.60, 297,524,630.40 and 176,808,678.40 is: 265,213,017.60
Step by Step Solution
- Step 1: Write the proportion equation
198,349,753.60 : 297,524,630.40 = 176,808,678.40 : x - Step 2: Convert to fraction form
198,349,753.60/297,524,630.40 = 176,808,678.40/x - Step 3: Cross multiply
198,349,753.60x = 297,524,630.40 × 176,808,678.40 - Step 4: Simplify right side
198,349,753.60x = 52,604,936,692,472,464 - Step 5: Solve for x
x = 52,604,936,692,472,464/198,349,753.60 - Step 6: Final answer
x = 265,213,017.60
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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.