Finding the Fourth Proportional to 87,406,380.48, 120,620,125.20 and 48,248,169.76
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Solution
The fourth proportional to 87,406,380.48, 120,620,125.20 and 48,248,169.76 is: 66,582,098.99
Step by Step Solution
- Step 1: Write the proportion equation
87,406,380.48 : 120,620,125.20 = 48,248,169.76 : x - Step 2: Convert to fraction form
87,406,380.48/120,620,125.20 = 48,248,169.76/x - Step 3: Cross multiply
87,406,380.48x = 120,620,125.20 × 48,248,169.76 - Step 4: Simplify right side
87,406,380.48x = 5,819,700,277,122,054 - Step 5: Solve for x
x = 5,819,700,277,122,054/87,406,380.48 - Step 6: Final answer
x = 66,582,098.99
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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.