Finding the Fourth Proportional to 198,331,352.70, 297,497,029.05 and 117,709,784.70
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Solution
The fourth proportional to 198,331,352.70, 297,497,029.05 and 117,709,784.70 is: 176,564,677.05
Step by Step Solution
- Step 1: Write the proportion equation
198,331,352.70 : 297,497,029.05 = 117,709,784.70 : x - Step 2: Convert to fraction form
198,331,352.70/297,497,029.05 = 117,709,784.70/x - Step 3: Cross multiply
198,331,352.70x = 297,497,029.05 × 117,709,784.70 - Step 4: Simplify right side
198,331,352.70x = 35,018,311,238,365,148 - Step 5: Solve for x
x = 35,018,311,238,365,148/198,331,352.70 - Step 6: Final answer
x = 176,564,677.05
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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.