Finding the Fourth Proportional to 163,903,206.80, 245,867,251.80 and 48,878,771.60
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Solution
The fourth proportional to 163,903,206.80, 245,867,251.80 and 48,878,771.60 is: 73,321,867.70
Step by Step Solution
- Step 1: Write the proportion equation
163,903,206.80 : 245,867,251.80 = 48,878,771.60 : x - Step 2: Convert to fraction form
163,903,206.80/245,867,251.80 = 48,878,771.60/x - Step 3: Cross multiply
163,903,206.80x = 245,867,251.80 × 48,878,771.60 - Step 4: Simplify right side
163,903,206.80x = 12,017,689,244,651,890 - Step 5: Solve for x
x = 12,017,689,244,651,890/163,903,206.80 - Step 6: Final answer
x = 73,321,867.70
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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.