Finding the Fourth Proportional to 74,697,074.80, 112,045,612.20 and 44,389,337.20
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Solution
The fourth proportional to 74,697,074.80, 112,045,612.20 and 44,389,337.20 is: 66,584,005.80
Step by Step Solution
- Step 1: Write the proportion equation
74,697,074.80 : 112,045,612.20 = 44,389,337.20 : x - Step 2: Convert to fraction form
74,697,074.80/112,045,612.20 = 44,389,337.20/x - Step 3: Cross multiply
74,697,074.80x = 112,045,612.20 × 44,389,337.20 - Step 4: Simplify right side
74,697,074.80x = 4,973,630,461,726,234 - Step 5: Solve for x
x = 4,973,630,461,726,234/74,697,074.80 - Step 6: Final answer
x = 66,584,005.80
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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.