Finding the Fourth Proportional to 133,058,630.80, 199,793,232.60 and 72,592,454.80
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Solution
The fourth proportional to 133,058,630.80, 199,793,232.60 and 72,592,454.80 is: 109,000,679.77
Step by Step Solution
- Step 1: Write the proportion equation
133,058,630.80 : 199,793,232.60 = 72,592,454.80 : x - Step 2: Convert to fraction form
133,058,630.80/199,793,232.60 = 72,592,454.80/x - Step 3: Cross multiply
133,058,630.80x = 199,793,232.60 × 72,592,454.80 - Step 4: Simplify right side
133,058,630.80x = 14,503,481,206,861,386 - Step 5: Solve for x
x = 14,503,481,206,861,386/133,058,630.80 - Step 6: Final answer
x = 109,000,679.77
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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.