Finding the Fourth Proportional to 65,239,440.20, 97,859,160.30 and 26,881,209.80
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Solution
The fourth proportional to 65,239,440.20, 97,859,160.30 and 26,881,209.80 is: 40,321,814.70
Step by Step Solution
- Step 1: Write the proportion equation
65,239,440.20 : 97,859,160.30 = 26,881,209.80 : x - Step 2: Convert to fraction form
65,239,440.20/97,859,160.30 = 26,881,209.80/x - Step 3: Cross multiply
65,239,440.20x = 97,859,160.30 × 26,881,209.80 - Step 4: Simplify right side
65,239,440.20x = 2,630,572,618,876,131 - Step 5: Solve for x
x = 2,630,572,618,876,131/65,239,440.20 - Step 6: Final answer
x = 40,321,814.70
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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.