Finding the Fourth Proportional to 157,962,461.85, 236,943,692.78 and 106,306,396.65
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Solution
The fourth proportional to 157,962,461.85, 236,943,692.78 and 106,306,396.65 is: 159,459,594.98
Step by Step Solution
- Step 1: Write the proportion equation
157,962,461.85 : 236,943,692.78 = 106,306,396.65 : x - Step 2: Convert to fraction form
157,962,461.85/236,943,692.78 = 106,306,396.65/x - Step 3: Cross multiply
157,962,461.85x = 236,943,692.78 × 106,306,396.65 - Step 4: Simplify right side
157,962,461.85x = 25,188,630,187,854,892 - Step 5: Solve for x
x = 25,188,630,187,854,892/157,962,461.85 - Step 6: Final answer
x = 159,459,594.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.