Finding the Fourth Proportional to 75,607,515.20, 113,411,272.80 and 21,754,827.20
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Solution
The fourth proportional to 75,607,515.20, 113,411,272.80 and 21,754,827.20 is: 32,632,240.80
Step by Step Solution
- Step 1: Write the proportion equation
75,607,515.20 : 113,411,272.80 = 21,754,827.20 : x - Step 2: Convert to fraction form
75,607,515.20/113,411,272.80 = 21,754,827.20/x - Step 3: Cross multiply
75,607,515.20x = 113,411,272.80 × 21,754,827.20 - Step 4: Simplify right side
75,607,515.20x = 2,467,242,642,296,060 - Step 5: Solve for x
x = 2,467,242,642,296,060/75,607,515.20 - Step 6: Final answer
x = 32,632,240.80
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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.