Finding the Fourth Proportional to 77,599,347.57, 116,408,026.28 and 25,788,573.99
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Solution
The fourth proportional to 77,599,347.57, 116,408,026.28 and 25,788,573.99 is: 38,685,853.59
Step by Step Solution
- Step 1: Write the proportion equation
77,599,347.57 : 116,408,026.28 = 25,788,573.99 : x - Step 2: Convert to fraction form
77,599,347.57/116,408,026.28 = 25,788,573.99/x - Step 3: Cross multiply
77,599,347.57x = 116,408,026.28 × 25,788,573.99 - Step 4: Simplify right side
77,599,347.57x = 3,001,996,998,816,115.50 - Step 5: Solve for x
x = 3,001,996,998,816,115.50/77,599,347.57 - Step 6: Final answer
x = 38,685,853.59
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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.