Finding the Fourth Proportional to 170,684,048.78, 255,922,397.15 and 66,928,953.99
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Solution
The fourth proportional to 170,684,048.78, 255,922,397.15 and 66,928,953.99 is: 100,352,777.35
Step by Step Solution
- Step 1: Write the proportion equation
170,684,048.78 : 255,922,397.15 = 66,928,953.99 : x - Step 2: Convert to fraction form
170,684,048.78/255,922,397.15 = 66,928,953.99/x - Step 3: Cross multiply
170,684,048.78x = 255,922,397.15 × 66,928,953.99 - Step 4: Simplify right side
170,684,048.78x = 17,128,618,344,487,922 - Step 5: Solve for x
x = 17,128,618,344,487,922/170,684,048.78 - Step 6: Final answer
x = 100,352,777.35
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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.