Finding the Fourth Proportional to 173,860,831.40, 260,791,247.10 and 104,702,642.60
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Solution
The fourth proportional to 173,860,831.40, 260,791,247.10 and 104,702,642.60 is: 157,053,963.90
Step by Step Solution
- Step 1: Write the proportion equation
173,860,831.40 : 260,791,247.10 = 104,702,642.60 : x - Step 2: Convert to fraction form
173,860,831.40/260,791,247.10 = 104,702,642.60/x - Step 3: Cross multiply
173,860,831.40x = 260,791,247.10 × 104,702,642.60 - Step 4: Simplify right side
173,860,831.40x = 27,305,532,738,319,584 - Step 5: Solve for x
x = 27,305,532,738,319,584/173,860,831.40 - Step 6: Final answer
x = 157,053,963.90
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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.