Finding the Fourth Proportional to 199,769,918.51, 299,678,889.42 and 70,350,781.79
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Solution
The fourth proportional to 199,769,918.51, 299,678,889.42 and 70,350,781.79 is: 105,534,628.61
Step by Step Solution
- Step 1: Write the proportion equation
199,769,918.51 : 299,678,889.42 = 70,350,781.79 : x - Step 2: Convert to fraction form
199,769,918.51/299,678,889.42 = 70,350,781.79/x - Step 3: Cross multiply
199,769,918.51x = 299,678,889.42 × 70,350,781.79 - Step 4: Simplify right side
199,769,918.51x = 21,082,644,156,655,964 - Step 5: Solve for x
x = 21,082,644,156,655,964/199,769,918.51 - Step 6: Final answer
x = 105,534,628.61
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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.