Finding the Fourth Proportional to 48,667,271.66, 67,156,579.13 and 28,817,475.99
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Solution
The fourth proportional to 48,667,271.66, 67,156,579.13 and 28,817,475.99 is: 39,765,596.89
Step by Step Solution
- Step 1: Write the proportion equation
48,667,271.66 : 67,156,579.13 = 28,817,475.99 : x - Step 2: Convert to fraction form
48,667,271.66/67,156,579.13 = 28,817,475.99/x - Step 3: Cross multiply
48,667,271.66x = 67,156,579.13 × 28,817,475.99 - Step 4: Simplify right side
48,667,271.66x = 1,935,283,106,505,222.50 - Step 5: Solve for x
x = 1,935,283,106,505,222.50/48,667,271.66 - Step 6: Final answer
x = 39,765,596.89
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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.