Finding the Fourth Proportional to 79,920,469.53, 119,875,727.66 and 49,220,890.65
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Solution
The fourth proportional to 79,920,469.53, 119,875,727.66 and 49,220,890.65 is: 73,828,270.99
Step by Step Solution
- Step 1: Write the proportion equation
79,920,469.53 : 119,875,727.66 = 49,220,890.65 : x - Step 2: Convert to fraction form
79,920,469.53/119,875,727.66 = 49,220,890.65/x - Step 3: Cross multiply
79,920,469.53x = 119,875,727.66 × 49,220,890.65 - Step 4: Simplify right side
79,920,469.53x = 5,900,390,082,495,936 - Step 5: Solve for x
x = 5,900,390,082,495,936/79,920,469.53 - Step 6: Final answer
x = 73,828,270.99
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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.