Finding the Fourth Proportional to 176,688,015.80, 265,032,023.70 and 68,982,639.80
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Solution
The fourth proportional to 176,688,015.80, 265,032,023.70 and 68,982,639.80 is: 103,473,959.70
Step by Step Solution
- Step 1: Write the proportion equation
176,688,015.80 : 265,032,023.70 = 68,982,639.80 : x - Step 2: Convert to fraction form
176,688,015.80/265,032,023.70 = 68,982,639.80/x - Step 3: Cross multiply
176,688,015.80x = 265,032,023.70 × 68,982,639.80 - Step 4: Simplify right side
176,688,015.80x = 18,282,608,626,362,160 - Step 5: Solve for x
x = 18,282,608,626,362,160/176,688,015.80 - Step 6: Final answer
x = 103,473,959.70
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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.