Finding the Fourth Proportional to 221,297,038.61, 305,416,692.55 and 125,950,729.41
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Solution
The fourth proportional to 221,297,038.61, 305,416,692.55 and 125,950,729.41 is: 173,827,247.95
Step by Step Solution
- Step 1: Write the proportion equation
221,297,038.61 : 305,416,692.55 = 125,950,729.41 : x - Step 2: Convert to fraction form
221,297,038.61/305,416,692.55 = 125,950,729.41/x - Step 3: Cross multiply
221,297,038.61x = 305,416,692.55 × 125,950,729.41 - Step 4: Simplify right side
221,297,038.61x = 38,467,455,199,674,336 - Step 5: Solve for x
x = 38,467,455,199,674,336/221,297,038.61 - Step 6: Final answer
x = 173,827,247.95
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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.