Finding the Fourth Proportional to 68,348,948.13, 94,321,548.59 and 37,409,117.49
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Solution
The fourth proportional to 68,348,948.13, 94,321,548.59 and 37,409,117.49 is: 51,624,582.23
Step by Step Solution
- Step 1: Write the proportion equation
68,348,948.13 : 94,321,548.59 = 37,409,117.49 : x - Step 2: Convert to fraction form
68,348,948.13/94,321,548.59 = 37,409,117.49/x - Step 3: Cross multiply
68,348,948.13x = 94,321,548.59 × 37,409,117.49 - Step 4: Simplify right side
68,348,948.13x = 3,528,485,892,855,008 - Step 5: Solve for x
x = 3,528,485,892,855,008/68,348,948.13 - Step 6: Final answer
x = 51,624,582.23
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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.