Finding the Fourth Proportional to 104,814,352.80, 157,221,529.20 and 66,645,079.20
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Solution
The fourth proportional to 104,814,352.80, 157,221,529.20 and 66,645,079.20 is: 99,967,618.80
Step by Step Solution
- Step 1: Write the proportion equation
104,814,352.80 : 157,221,529.20 = 66,645,079.20 : x - Step 2: Convert to fraction form
104,814,352.80/157,221,529.20 = 66,645,079.20/x - Step 3: Cross multiply
104,814,352.80x = 157,221,529.20 × 66,645,079.20 - Step 4: Simplify right side
104,814,352.80x = 10,478,041,265,479,112 - Step 5: Solve for x
x = 10,478,041,265,479,112/104,814,352.80 - Step 6: Final answer
x = 99,967,618.80
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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.