Finding the Fourth Proportional to 143,982,044.75, 198,695,218.66 and 77,902,543.02
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Solution
The fourth proportional to 143,982,044.75, 198,695,218.66 and 77,902,543.02 is: 107,505,507.70
Step by Step Solution
- Step 1: Write the proportion equation
143,982,044.75 : 198,695,218.66 = 77,902,543.02 : x - Step 2: Convert to fraction form
143,982,044.75/198,695,218.66 = 77,902,543.02/x - Step 3: Cross multiply
143,982,044.75x = 198,695,218.66 × 77,902,543.02 - Step 4: Simplify right side
143,982,044.75x = 15,478,862,819,824,648 - Step 5: Solve for x
x = 15,478,862,819,824,648/143,982,044.75 - Step 6: Final answer
x = 107,505,507.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.