Finding the Fourth Proportional to 160,044,529.09, 220,861,674.26 and 86,705,671.09
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Solution
The fourth proportional to 160,044,529.09, 220,861,674.26 and 86,705,671.09 is: 119,653,947.52
Step by Step Solution
- Step 1: Write the proportion equation
160,044,529.09 : 220,861,674.26 = 86,705,671.09 : x - Step 2: Convert to fraction form
160,044,529.09/220,861,674.26 = 86,705,671.09/x - Step 3: Cross multiply
160,044,529.09x = 220,861,674.26 × 86,705,671.09 - Step 4: Simplify right side
160,044,529.09x = 19,149,959,684,774,280 - Step 5: Solve for x
x = 19,149,959,684,774,280/160,044,529.09 - Step 6: Final answer
x = 119,653,947.52
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1.5x scale
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.