Finding the Fourth Proportional to 165,365,869.40, 248,221,179.54 and 73,314,252.62
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Solution
The fourth proportional to 165,365,869.40, 248,221,179.54 and 73,314,252.62 is: 110,047,800.85
Step by Step Solution
- Step 1: Write the proportion equation
165,365,869.40 : 248,221,179.54 = 73,314,252.62 : x - Step 2: Convert to fraction form
165,365,869.40/248,221,179.54 = 73,314,252.62/x - Step 3: Cross multiply
165,365,869.40x = 248,221,179.54 × 73,314,252.62 - Step 4: Simplify right side
165,365,869.40x = 18,198,150,262,429,936 - Step 5: Solve for x
x = 18,198,150,262,429,936/165,365,869.40 - Step 6: Final answer
x = 110,047,800.85
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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.