Finding the Fourth Proportional to 177,969,479.34, 245,599,846.05 and 98,585,756.70
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Solution
The fourth proportional to 177,969,479.34, 245,599,846.05 and 98,585,756.70 is: 136,049,432.51
Step by Step Solution
- Step 1: Write the proportion equation
177,969,479.34 : 245,599,846.05 = 98,585,756.70 : x - Step 2: Convert to fraction form
177,969,479.34/245,599,846.05 = 98,585,756.70/x - Step 3: Cross multiply
177,969,479.34x = 245,599,846.05 × 98,585,756.70 - Step 4: Simplify right side
177,969,479.34x = 24,212,646,668,242,756 - Step 5: Solve for x
x = 24,212,646,668,242,756/177,969,479.34 - Step 6: Final answer
x = 136,049,432.51
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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.