Finding the Fourth Proportional to 69,125,894.70, 103,688,842.05 and 43,483,757.10
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Solution
The fourth proportional to 69,125,894.70, 103,688,842.05 and 43,483,757.10 is: 65,225,635.65
Step by Step Solution
- Step 1: Write the proportion equation
69,125,894.70 : 103,688,842.05 = 43,483,757.10 : x - Step 2: Convert to fraction form
69,125,894.70/103,688,842.05 = 43,483,757.10/x - Step 3: Cross multiply
69,125,894.70x = 103,688,842.05 × 43,483,757.10 - Step 4: Simplify right side
69,125,894.70x = 4,508,780,421,682,466 - Step 5: Solve for x
x = 4,508,780,421,682,466/69,125,894.70 - Step 6: Final answer
x = 65,225,635.65
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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.