Finding the Fourth Proportional to 176,336,156.36, 243,363,580.98 and 106,759,877.96
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Solution
The fourth proportional to 176,336,156.36, 243,363,580.98 and 106,759,877.96 is: 147,340,549.67
Step by Step Solution
- Step 1: Write the proportion equation
176,336,156.36 : 243,363,580.98 = 106,759,877.96 : x - Step 2: Convert to fraction form
176,336,156.36/243,363,580.98 = 106,759,877.96/x - Step 3: Cross multiply
176,336,156.36x = 243,363,580.98 × 106,759,877.96 - Step 4: Simplify right side
176,336,156.36x = 25,981,466,205,333,376 - Step 5: Solve for x
x = 25,981,466,205,333,376/176,336,156.36 - Step 6: Final answer
x = 147,340,549.67
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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.