Finding the Fourth Proportional to 87,679,253.62, 120,997,605.36 and 48,523,730.50
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Solution
The fourth proportional to 87,679,253.62, 120,997,605.36 and 48,523,730.50 is: 66,962,878.35
Step by Step Solution
- Step 1: Write the proportion equation
87,679,253.62 : 120,997,605.36 = 48,523,730.50 : x - Step 2: Convert to fraction form
87,679,253.62/120,997,605.36 = 48,523,730.50/x - Step 3: Cross multiply
87,679,253.62x = 120,997,605.36 × 48,523,730.50 - Step 4: Simplify right side
87,679,253.62x = 5,871,255,193,633,995 - Step 5: Solve for x
x = 5,871,255,193,633,995/87,679,253.62 - Step 6: Final answer
x = 66,962,878.35
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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.