Finding the Fourth Proportional to 177,969,447.42, 245,599,801.98 and 98,585,724.84
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Solution
The fourth proportional to 177,969,447.42, 245,599,801.98 and 98,585,724.84 is: 136,049,388.53
Step by Step Solution
- Step 1: Write the proportion equation
177,969,447.42 : 245,599,801.98 = 98,585,724.84 : x - Step 2: Convert to fraction form
177,969,447.42/245,599,801.98 = 98,585,724.84/x - Step 3: Cross multiply
177,969,447.42x = 245,599,801.98 × 98,585,724.84 - Step 4: Simplify right side
177,969,447.42x = 24,212,634,498,758,768 - Step 5: Solve for x
x = 24,212,634,498,758,768/177,969,447.42 - Step 6: Final answer
x = 136,049,388.53
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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.