Finding the Fourth Proportional to 231,653,261.79, 348,732,270.12 and 211,036,201.98
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Solution
The fourth proportional to 231,653,261.79, 348,732,270.12 and 211,036,201.98 is: 317,695,219.26
Step by Step Solution
- Step 1: Write the proportion equation
231,653,261.79 : 348,732,270.12 = 211,036,201.98 : x - Step 2: Convert to fraction form
231,653,261.79/348,732,270.12 = 211,036,201.98/x - Step 3: Cross multiply
231,653,261.79x = 348,732,270.12 × 211,036,201.98 - Step 4: Simplify right side
231,653,261.79x = 73,595,133,795,295,984 - Step 5: Solve for x
x = 73,595,133,795,295,984/231,653,261.79 - Step 6: Final answer
x = 317,695,219.26
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.