Finding the Fourth Proportional to 53,033,456.19, 79,526,988.84 and 26,756,120.67
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Solution
The fourth proportional to 53,033,456.19, 79,526,988.84 and 26,756,120.67 is: 40,122,478.58
Step by Step Solution
- Step 1: Write the proportion equation
53,033,456.19 : 79,526,988.84 = 26,756,120.67 : x - Step 2: Convert to fraction form
53,033,456.19/79,526,988.84 = 26,756,120.67/x - Step 3: Cross multiply
53,033,456.19x = 79,526,988.84 × 26,756,120.67 - Step 4: Simplify right side
53,033,456.19x = 2,127,833,709,924,783.50 - Step 5: Solve for x
x = 2,127,833,709,924,783.50/53,033,456.19 - Step 6: Final answer
x = 40,122,478.58
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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.