Finding the Fourth Proportional to 83,413,848.36, 125,120,522.24 and 21,165,042.18
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Solution
The fourth proportional to 83,413,848.36, 125,120,522.24 and 21,165,042.18 is: 31,747,499.76
Step by Step Solution
- Step 1: Write the proportion equation
83,413,848.36 : 125,120,522.24 = 21,165,042.18 : x - Step 2: Convert to fraction form
83,413,848.36/125,120,522.24 = 21,165,042.18/x - Step 3: Cross multiply
83,413,848.36x = 125,120,522.24 × 21,165,042.18 - Step 4: Simplify right side
83,413,848.36x = 2,648,181,130,793,228 - Step 5: Solve for x
x = 2,648,181,130,793,228/83,413,848.36 - Step 6: Final answer
x = 31,747,499.76
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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.