Finding the Fourth Proportional to 80,352,000.30, 120,528,000.45 and 48,103,373.10
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Solution
The fourth proportional to 80,352,000.30, 120,528,000.45 and 48,103,373.10 is: 72,155,059.65
Step by Step Solution
- Step 1: Write the proportion equation
80,352,000.30 : 120,528,000.45 = 48,103,373.10 : x - Step 2: Convert to fraction form
80,352,000.30/120,528,000.45 = 48,103,373.10/x - Step 3: Cross multiply
80,352,000.30x = 120,528,000.45 × 48,103,373.10 - Step 4: Simplify right side
80,352,000.30x = 5,797,803,374,643,318 - Step 5: Solve for x
x = 5,797,803,374,643,318/80,352,000.30 - Step 6: Final answer
x = 72,155,059.65
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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.