Finding the Fourth Proportional to 163,347,551.70, 245,021,327.55 and 147,191,745.30
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Solution
The fourth proportional to 163,347,551.70, 245,021,327.55 and 147,191,745.30 is: 220,787,617.95
Step by Step Solution
- Step 1: Write the proportion equation
163,347,551.70 : 245,021,327.55 = 147,191,745.30 : x - Step 2: Convert to fraction form
163,347,551.70/245,021,327.55 = 147,191,745.30/x - Step 3: Cross multiply
163,347,551.70x = 245,021,327.55 × 147,191,745.30 - Step 4: Simplify right side
163,347,551.70x = 36,065,116,837,807,480 - Step 5: Solve for x
x = 36,065,116,837,807,480/163,347,551.70 - Step 6: Final answer
x = 220,787,617.95
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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.