Finding the Fourth Proportional to 100,926,224.65, 139,278,246.06 and 54,516,479.03
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Solution
The fourth proportional to 100,926,224.65, 139,278,246.06 and 54,516,479.03 is: 75,232,771.33
Step by Step Solution
- Step 1: Write the proportion equation
100,926,224.65 : 139,278,246.06 = 54,516,479.03 : x - Step 2: Convert to fraction form
100,926,224.65/139,278,246.06 = 54,516,479.03/x - Step 3: Cross multiply
100,926,224.65x = 139,278,246.06 × 54,516,479.03 - Step 4: Simplify right side
100,926,224.65x = 7,592,959,579,920,190 - Step 5: Solve for x
x = 7,592,959,579,920,190/100,926,224.65 - Step 6: Final answer
x = 75,232,771.33
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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.