Finding the Fourth Proportional to 287,482,987.30, 396,726,524.28 and 163,735,178.98
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Solution
The fourth proportional to 287,482,987.30, 396,726,524.28 and 163,735,178.98 is: 225,954,548.02
Step by Step Solution
- Step 1: Write the proportion equation
287,482,987.30 : 396,726,524.28 = 163,735,178.98 : x - Step 2: Convert to fraction form
287,482,987.30/396,726,524.28 = 163,735,178.98/x - Step 3: Cross multiply
287,482,987.30x = 396,726,524.28 × 163,735,178.98 - Step 4: Simplify right side
287,482,987.30x = 64,958,088,459,099,104 - Step 5: Solve for x
x = 64,958,088,459,099,104/287,482,987.30 - Step 6: Final answer
x = 225,954,548.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.