Finding the Fourth Proportional to 105,961,902.84, 158,962,566.42 and 36,871,831.80
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Solution
The fourth proportional to 105,961,902.84, 158,962,566.42 and 36,871,831.80 is: 55,314,606.99
Step by Step Solution
- Step 1: Write the proportion equation
105,961,902.84 : 158,962,566.42 = 36,871,831.80 : x - Step 2: Convert to fraction form
105,961,902.84/158,962,566.42 = 36,871,831.80/x - Step 3: Cross multiply
105,961,902.84x = 158,962,566.42 × 36,871,831.80 - Step 4: Simplify right side
105,961,902.84x = 5,861,241,011,534,567 - Step 5: Solve for x
x = 5,861,241,011,534,567/105,961,902.84 - Step 6: Final answer
x = 55,314,606.99
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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.