Finding the Fourth Proportional to 177,133,107.20, 265,736,985.60 and 74,844,492.80
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Solution
The fourth proportional to 177,133,107.20, 265,736,985.60 and 74,844,492.80 is: 112,282,510.14
Step by Step Solution
- Step 1: Write the proportion equation
177,133,107.20 : 265,736,985.60 = 74,844,492.80 : x - Step 2: Convert to fraction form
177,133,107.20/265,736,985.60 = 74,844,492.80/x - Step 3: Cross multiply
177,133,107.20x = 265,736,985.60 × 74,844,492.80 - Step 4: Simplify right side
177,133,107.20x = 19,888,949,905,432,904 - Step 5: Solve for x
x = 19,888,949,905,432,904/177,133,107.20 - Step 6: Final answer
x = 112,282,510.14
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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.