Finding the Fourth Proportional to 219,246,091.56, 302,485,121.55 and 125,092,599.48
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Solution
The fourth proportional to 219,246,091.56, 302,485,121.55 and 125,092,599.48 is: 172,585,289.39
Step by Step Solution
- Step 1: Write the proportion equation
219,246,091.56 : 302,485,121.55 = 125,092,599.48 : x - Step 2: Convert to fraction form
219,246,091.56/302,485,121.55 = 125,092,599.48/x - Step 3: Cross multiply
219,246,091.56x = 302,485,121.55 × 125,092,599.48 - Step 4: Simplify right side
219,246,091.56x = 37,838,650,158,713,272 - Step 5: Solve for x
x = 37,838,650,158,713,272/219,246,091.56 - Step 6: Final answer
x = 172,585,289.39
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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.