Finding the Fourth Proportional to 76,731,285.44, 115,095,266.36 and 21,397,643.99
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Solution
The fourth proportional to 76,731,285.44, 115,095,266.36 and 21,397,643.99 is: 32,096,002.56
Step by Step Solution
- Step 1: Write the proportion equation
76,731,285.44 : 115,095,266.36 = 21,397,643.99 : x - Step 2: Convert to fraction form
76,731,285.44/115,095,266.36 = 21,397,643.99/x - Step 3: Cross multiply
76,731,285.44x = 115,095,266.36 × 21,397,643.99 - Step 4: Simplify right side
76,731,285.44x = 2,462,767,533,950,996.50 - Step 5: Solve for x
x = 2,462,767,533,950,996.50/76,731,285.44 - Step 6: Final answer
x = 32,096,002.56
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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.