Finding the Fourth Proportional to 316,383,983.97, 474,402,588.87 and 97,973,690.31
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Solution
The fourth proportional to 316,383,983.97, 474,402,588.87 and 97,973,690.31 is: 146,906,843.20
Step by Step Solution
- Step 1: Write the proportion equation
316,383,983.97 : 474,402,588.87 = 97,973,690.31 : x - Step 2: Convert to fraction form
316,383,983.97/474,402,588.87 = 97,973,690.31/x - Step 3: Cross multiply
316,383,983.97x = 474,402,588.87 × 97,973,690.31 - Step 4: Simplify right side
316,383,983.97x = 46,478,972,324,211,632 - Step 5: Solve for x
x = 46,478,972,324,211,632/316,383,983.97 - Step 6: Final answer
x = 146,906,843.20
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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.