Finding the Fourth Proportional to 87,394,957,830.81, 120,603,758,284.24 and 48,814,440,740.12
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Solution
The fourth proportional to 87,394,957,830.81, 120,603,758,284.24 and 48,814,440,740.12 is: 67,363,211,310.18
Step by Step Solution
- Step 1: Write the proportion equation
87,394,957,830.81 : 120,603,758,284.24 = 48,814,440,740.12 : x - Step 2: Convert to fraction form
87,394,957,830.81/120,603,758,284.24 = 48,814,440,740.12/x - Step 3: Cross multiply
87,394,957,830.81x = 120,603,758,284.24 × 48,814,440,740.12 - Step 4: Simplify right side
87,394,957,830.81x = 5,887,205,011,801,187,024,896 - Step 5: Solve for x
x = 5,887,205,011,801,187,024,896/87,394,957,830.81 - Step 6: Final answer
x = 67,363,211,310.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.