Finding the Fourth Proportional to 66,562,501.58, 91,865,376.60 and 38,304,294.12
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Solution
The fourth proportional to 66,562,501.58, 91,865,376.60 and 38,304,294.12 is: 52,865,176.66
Step by Step Solution
- Step 1: Write the proportion equation
66,562,501.58 : 91,865,376.60 = 38,304,294.12 : x - Step 2: Convert to fraction form
66,562,501.58/91,865,376.60 = 38,304,294.12/x - Step 3: Cross multiply
66,562,501.58x = 91,865,376.60 × 38,304,294.12 - Step 4: Simplify right side
66,562,501.58x = 3,518,838,404,802,786 - Step 5: Solve for x
x = 3,518,838,404,802,786/66,562,501.58 - Step 6: Final answer
x = 52,865,176.66
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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.