Finding the Fourth Proportional to 75,607,325.70, 113,410,988.55 and 21,754,637.70
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Solution
The fourth proportional to 75,607,325.70, 113,410,988.55 and 21,754,637.70 is: 32,631,956.55
Step by Step Solution
- Step 1: Write the proportion equation
75,607,325.70 : 113,410,988.55 = 21,754,637.70 : x - Step 2: Convert to fraction form
75,607,325.70/113,410,988.55 = 21,754,637.70/x - Step 3: Cross multiply
75,607,325.70x = 113,410,988.55 × 21,754,637.70 - Step 4: Simplify right side
75,607,325.70x = 2,467,214,967,104,098 - Step 5: Solve for x
x = 2,467,214,967,104,098/75,607,325.70 - Step 6: Final answer
x = 32,631,956.55
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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.