Finding the Fourth Proportional to 248,624,884.70, 372,971,362.17 and 84,818,661.20
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Solution
The fourth proportional to 248,624,884.70, 372,971,362.17 and 84,818,661.20 is: 127,239,602.92
Step by Step Solution
- Step 1: Write the proportion equation
248,624,884.70 : 372,971,362.17 = 84,818,661.20 : x - Step 2: Convert to fraction form
248,624,884.70/372,971,362.17 = 84,818,661.20/x - Step 3: Cross multiply
248,624,884.70x = 372,971,362.17 × 84,818,661.20 - Step 4: Simplify right side
248,624,884.70x = 31,634,931,605,199,728 - Step 5: Solve for x
x = 31,634,931,605,199,728/248,624,884.70 - Step 6: Final answer
x = 127,239,602.92
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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.