Finding the Fourth Proportional to 170,624,077.80, 255,936,116.70 and 74,885,965.80
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Solution
The fourth proportional to 170,624,077.80, 255,936,116.70 and 74,885,965.80 is: 112,328,948.70
Step by Step Solution
- Step 1: Write the proportion equation
170,624,077.80 : 255,936,116.70 = 74,885,965.80 : x - Step 2: Convert to fraction form
170,624,077.80/255,936,116.70 = 74,885,965.80/x - Step 3: Cross multiply
170,624,077.80x = 255,936,116.70 × 74,885,965.80 - Step 4: Simplify right side
170,624,077.80x = 19,166,023,282,181,008 - Step 5: Solve for x
x = 19,166,023,282,181,008/170,624,077.80 - Step 6: Final answer
x = 112,328,948.70
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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.