Finding the Fourth Proportional to 75,748,532.30, 113,606,305.74 and 20,415,075.81
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Solution
The fourth proportional to 75,748,532.30, 113,606,305.74 and 20,415,075.81 is: 30,618,168.75
Step by Step Solution
- Step 1: Write the proportion equation
75,748,532.30 : 113,606,305.74 = 20,415,075.81 : x - Step 2: Convert to fraction form
75,748,532.30/113,606,305.74 = 20,415,075.81/x - Step 3: Cross multiply
75,748,532.30x = 113,606,305.74 × 20,415,075.81 - Step 4: Simplify right side
75,748,532.30x = 2,319,281,344,176,138 - Step 5: Solve for x
x = 2,319,281,344,176,138/75,748,532.30 - Step 6: Final answer
x = 30,618,168.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.