Finding the Fourth Proportional to 55,596,187.68, 76,722,606.12 and 30,478,252.08
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Solution
The fourth proportional to 55,596,187.68, 76,722,606.12 and 30,478,252.08 is: 42,059,915.03
Step by Step Solution
- Step 1: Write the proportion equation
55,596,187.68 : 76,722,606.12 = 30,478,252.08 : x - Step 2: Convert to fraction form
55,596,187.68/76,722,606.12 = 30,478,252.08/x - Step 3: Cross multiply
55,596,187.68x = 76,722,606.12 × 30,478,252.08 - Step 4: Simplify right side
55,596,187.68x = 2,338,370,929,559,910.50 - Step 5: Solve for x
x = 2,338,370,929,559,910.50/55,596,187.68 - Step 6: Final answer
x = 42,059,915.03
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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.