Finding the Fourth Proportional to 207,793,593.40, 311,484,812.10 and 98,426,534.80
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Solution
The fourth proportional to 207,793,593.40, 311,484,812.10 and 98,426,534.80 is: 147,542,425.14
Step by Step Solution
- Step 1: Write the proportion equation
207,793,593.40 : 311,484,812.10 = 98,426,534.80 : x - Step 2: Convert to fraction form
207,793,593.40/311,484,812.10 = 98,426,534.80/x - Step 3: Cross multiply
207,793,593.40x = 311,484,812.10 × 98,426,534.80 - Step 4: Simplify right side
207,793,593.40x = 30,658,370,697,832,112 - Step 5: Solve for x
x = 30,658,370,697,832,112/207,793,593.40 - Step 6: Final answer
x = 147,542,425.14
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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.