Finding the Fourth Proportional to 69,869,714.19, 96,420,600.85 and 40,518,473.79
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Solution
The fourth proportional to 69,869,714.19, 96,420,600.85 and 40,518,473.79 is: 55,915,723.05
Step by Step Solution
- Step 1: Write the proportion equation
69,869,714.19 : 96,420,600.85 = 40,518,473.79 : x - Step 2: Convert to fraction form
69,869,714.19/96,420,600.85 = 40,518,473.79/x - Step 3: Cross multiply
69,869,714.19x = 96,420,600.85 × 40,518,473.79 - Step 4: Simplify right side
69,869,714.19x = 3,906,815,588,356,776.50 - Step 5: Solve for x
x = 3,906,815,588,356,776.50/69,869,714.19 - Step 6: Final answer
x = 55,915,723.05
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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.