Finding the Fourth Proportional to 75,748,947.20, 104,535,600 and 46,379,720.96
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Solution
The fourth proportional to 75,748,947.20, 104,535,600 and 46,379,720.96 is: 64,005,271.86
Step by Step Solution
- Step 1: Write the proportion equation
75,748,947.20 : 104,535,600 = 46,379,720.96 : x - Step 2: Convert to fraction form
75,748,947.20/104,535,600 = 46,379,720.96/x - Step 3: Cross multiply
75,748,947.20x = 104,535,600 × 46,379,720.96 - Step 4: Simplify right side
75,748,947.20x = 4,848,331,958,386,176 - Step 5: Solve for x
x = 4,848,331,958,386,176/75,748,947.20 - Step 6: Final answer
x = 64,005,271.86
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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.