Finding the Fourth Proportional to 69,361,136.19, 104,056,313.45 and 26,229,384.63
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Solution
The fourth proportional to 69,361,136.19, 104,056,313.45 and 26,229,384.63 is: 39,349,601.50
Step by Step Solution
- Step 1: Write the proportion equation
69,361,136.19 : 104,056,313.45 = 26,229,384.63 : x - Step 2: Convert to fraction form
69,361,136.19/104,056,313.45 = 26,229,384.63/x - Step 3: Cross multiply
69,361,136.19x = 104,056,313.45 × 26,229,384.63 - Step 4: Simplify right side
69,361,136.19x = 2,729,333,068,528,745 - Step 5: Solve for x
x = 2,729,333,068,528,745/69,361,136.19 - Step 6: Final answer
x = 39,349,601.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.