Finding the Fourth Proportional to 70,713,866.97, 97,584,431.37 and 39,351,378.76
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Solution
The fourth proportional to 70,713,866.97, 97,584,431.37 and 39,351,378.76 is: 54,304,510.33
Step by Step Solution
- Step 1: Write the proportion equation
70,713,866.97 : 97,584,431.37 = 39,351,378.76 : x - Step 2: Convert to fraction form
70,713,866.97/97,584,431.37 = 39,351,378.76/x - Step 3: Cross multiply
70,713,866.97x = 97,584,431.37 × 39,351,378.76 - Step 4: Simplify right side
70,713,866.97x = 3,840,081,919,528,566.50 - Step 5: Solve for x
x = 3,840,081,919,528,566.50/70,713,866.97 - Step 6: Final answer
x = 54,304,510.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.