Finding the Fourth Proportional to 75,671,125.28, 113,506,689.42 and 18,163,396.45
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Solution
The fourth proportional to 75,671,125.28, 113,506,689.42 and 18,163,396.45 is: 27,245,095.04
Step by Step Solution
- Step 1: Write the proportion equation
75,671,125.28 : 113,506,689.42 = 18,163,396.45 : x - Step 2: Convert to fraction form
75,671,125.28/113,506,689.42 = 18,163,396.45/x - Step 3: Cross multiply
75,671,125.28x = 113,506,689.42 × 18,163,396.45 - Step 4: Simplify right side
75,671,125.28x = 2,061,667,000,200,194.25 - Step 5: Solve for x
x = 2,061,667,000,200,194.25/75,671,125.28 - Step 6: Final answer
x = 27,245,095.04
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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.