Finding the Fourth Proportional to 68,554,330.73, 94,605,156.05 and 37,192,378.08
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Solution
The fourth proportional to 68,554,330.73, 94,605,156.05 and 37,192,378.08 is: 51,325,579.22
Step by Step Solution
- Step 1: Write the proportion equation
68,554,330.73 : 94,605,156.05 = 37,192,378.08 : x - Step 2: Convert to fraction form
68,554,330.73/94,605,156.05 = 37,192,378.08/x - Step 3: Cross multiply
68,554,330.73x = 94,605,156.05 × 37,192,378.08 - Step 4: Simplify right side
68,554,330.73x = 3,518,590,732,221,980 - Step 5: Solve for x
x = 3,518,590,732,221,980/68,554,330.73 - Step 6: Final answer
x = 51,325,579.22
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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.