Finding the Fourth Proportional to 160,497,947.80, 221,554,970.58 and 108,357,608.44
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Solution
The fourth proportional to 160,497,947.80, 221,554,970.58 and 108,357,608.44 is: 149,579,275.49
Step by Step Solution
- Step 1: Write the proportion equation
160,497,947.80 : 221,554,970.58 = 108,357,608.44 : x - Step 2: Convert to fraction form
160,497,947.80/221,554,970.58 = 108,357,608.44/x - Step 3: Cross multiply
160,497,947.80x = 221,554,970.58 × 108,357,608.44 - Step 4: Simplify right side
160,497,947.80x = 24,007,166,750,043,360 - Step 5: Solve for x
x = 24,007,166,750,043,360/160,497,947.80 - Step 6: Final answer
x = 149,579,275.49
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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.