Finding the Fourth Proportional to 68,797,656.48, 94,939,564.74 and 37,434,647.40
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Solution
The fourth proportional to 68,797,656.48, 94,939,564.74 and 37,434,647.40 is: 51,659,159.81
Step by Step Solution
- Step 1: Write the proportion equation
68,797,656.48 : 94,939,564.74 = 37,434,647.40 : x - Step 2: Convert to fraction form
68,797,656.48/94,939,564.74 = 37,434,647.40/x - Step 3: Cross multiply
68,797,656.48x = 94,939,564.74 × 37,434,647.40 - Step 4: Simplify right side
68,797,656.48x = 3,554,029,130,351,372.50 - Step 5: Solve for x
x = 3,554,029,130,351,372.50/68,797,656.48 - Step 6: Final answer
x = 51,659,159.81
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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.