Finding the Fourth Proportional to 170,136,291.80, 255,204,437.70 and 83,916,003.80
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Solution
The fourth proportional to 170,136,291.80, 255,204,437.70 and 83,916,003.80 is: 125,874,005.70
Step by Step Solution
- Step 1: Write the proportion equation
170,136,291.80 : 255,204,437.70 = 83,916,003.80 : x - Step 2: Convert to fraction form
170,136,291.80/255,204,437.70 = 83,916,003.80/x - Step 3: Cross multiply
170,136,291.80x = 255,204,437.70 × 83,916,003.80 - Step 4: Simplify right side
170,136,291.80x = 21,415,736,563,810,060 - Step 5: Solve for x
x = 21,415,736,563,810,060/170,136,291.80 - Step 6: Final answer
x = 125,874,005.70
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1.5x scale
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.