Finding the Fourth Proportional to 290,328,027.80, 435,492,041.70 and 74,917,275.80
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Solution
The fourth proportional to 290,328,027.80, 435,492,041.70 and 74,917,275.80 is: 112,375,913.70
Step by Step Solution
- Step 1: Write the proportion equation
290,328,027.80 : 435,492,041.70 = 74,917,275.80 : x - Step 2: Convert to fraction form
290,328,027.80/435,492,041.70 = 74,917,275.80/x - Step 3: Cross multiply
290,328,027.80x = 435,492,041.70 × 74,917,275.80 - Step 4: Simplify right side
290,328,027.80x = 32,625,877,396,744,000 - Step 5: Solve for x
x = 32,625,877,396,744,000/290,328,027.80 - Step 6: Final answer
x = 112,375,913.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.