Finding the Fourth Proportional to 68,348,909.95, 94,321,495.74 and 37,409,079.23
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Solution
The fourth proportional to 68,348,909.95, 94,321,495.74 and 37,409,079.23 is: 51,624,529.34
Step by Step Solution
- Step 1: Write the proportion equation
68,348,909.95 : 94,321,495.74 = 37,409,079.23 : x - Step 2: Convert to fraction form
68,348,909.95/94,321,495.74 = 37,409,079.23/x - Step 3: Cross multiply
68,348,909.95x = 94,321,495.74 × 37,409,079.23 - Step 4: Simplify right side
68,348,909.95x = 3,528,480,307,467,162.50 - Step 5: Solve for x
x = 3,528,480,307,467,162.50/68,348,909.95 - Step 6: Final answer
x = 51,624,529.34
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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.