Finding the Fourth Proportional to 65,203,705.40, 97,805,558.10 and 60,276,831.80
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Solution
The fourth proportional to 65,203,705.40, 97,805,558.10 and 60,276,831.80 is: 90,415,247.70
Step by Step Solution
- Step 1: Write the proportion equation
65,203,705.40 : 97,805,558.10 = 60,276,831.80 : x - Step 2: Convert to fraction form
65,203,705.40/97,805,558.10 = 60,276,831.80/x - Step 3: Cross multiply
65,203,705.40x = 97,805,558.10 × 60,276,831.80 - Step 4: Simplify right side
65,203,705.40x = 5,895,409,174,698,827 - Step 5: Solve for x
x = 5,895,409,174,698,827/65,203,705.40 - Step 6: Final answer
x = 90,415,247.70
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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.