Finding the Fourth Proportional to 77,672,010.94, 116,473,694.22 and 29,115,802.98
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Solution
The fourth proportional to 77,672,010.94, 116,473,694.22 and 29,115,802.98 is: 43,660,838.60
Step by Step Solution
- Step 1: Write the proportion equation
77,672,010.94 : 116,473,694.22 = 29,115,802.98 : x - Step 2: Convert to fraction form
77,672,010.94/116,473,694.22 = 29,115,802.98/x - Step 3: Cross multiply
77,672,010.94x = 116,473,694.22 × 29,115,802.98 - Step 4: Simplify right side
77,672,010.94x = 3,391,225,133,262,285 - Step 5: Solve for x
x = 3,391,225,133,262,285/77,672,010.94 - Step 6: Final answer
x = 43,660,838.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.