Finding the Fourth Proportional to 49,926,421.70, 74,889,632.55 and 42,386,812.10
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Solution
The fourth proportional to 49,926,421.70, 74,889,632.55 and 42,386,812.10 is: 63,580,218.15
Step by Step Solution
- Step 1: Write the proportion equation
49,926,421.70 : 74,889,632.55 = 42,386,812.10 : x - Step 2: Convert to fraction form
49,926,421.70/74,889,632.55 = 42,386,812.10/x - Step 3: Cross multiply
49,926,421.70x = 74,889,632.55 × 42,386,812.10 - Step 4: Simplify right side
49,926,421.70x = 3,174,332,783,134,894 - Step 5: Solve for x
x = 3,174,332,783,134,894/49,926,421.70 - Step 6: Final answer
x = 63,580,218.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.