Finding the Fourth Proportional to 67,420,529.16, 93,024,149.88 and 40,958,354.04
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Solution
The fourth proportional to 67,420,529.16, 93,024,149.88 and 40,958,354.04 is: 56,512,698.91
Step by Step Solution
- Step 1: Write the proportion equation
67,420,529.16 : 93,024,149.88 = 40,958,354.04 : x - Step 2: Convert to fraction form
67,420,529.16/93,024,149.88 = 40,958,354.04/x - Step 3: Cross multiply
67,420,529.16x = 93,024,149.88 × 40,958,354.04 - Step 4: Simplify right side
67,420,529.16x = 3,810,116,065,055,063 - Step 5: Solve for x
x = 3,810,116,065,055,063/67,420,529.16 - Step 6: Final answer
x = 56,512,698.91
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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.