Finding the Fourth Proportional to 45,418,457.12, 68,102,479.92 and 15,109,774.88
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Solution
The fourth proportional to 45,418,457.12, 68,102,479.92 and 15,109,774.88 is: 22,656,276.89
Step by Step Solution
- Step 1: Write the proportion equation
45,418,457.12 : 68,102,479.92 = 15,109,774.88 : x - Step 2: Convert to fraction form
45,418,457.12/68,102,479.92 = 15,109,774.88/x - Step 3: Cross multiply
45,418,457.12x = 68,102,479.92 × 15,109,774.88 - Step 4: Simplify right side
45,418,457.12x = 1,029,013,140,360,920.50 - Step 5: Solve for x
x = 1,029,013,140,360,920.50/45,418,457.12 - Step 6: Final answer
x = 22,656,276.89
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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.