Finding the Fourth Proportional to 149,727,808.80, 224,591,713.20 and 105,889,831.20
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Solution
The fourth proportional to 149,727,808.80, 224,591,713.20 and 105,889,831.20 is: 158,834,746.80
Step by Step Solution
- Step 1: Write the proportion equation
149,727,808.80 : 224,591,713.20 = 105,889,831.20 : x - Step 2: Convert to fraction form
149,727,808.80/224,591,713.20 = 105,889,831.20/x - Step 3: Cross multiply
149,727,808.80x = 224,591,713.20 × 105,889,831.20 - Step 4: Simplify right side
149,727,808.80x = 23,781,978,599,666,812 - Step 5: Solve for x
x = 23,781,978,599,666,812/149,727,808.80 - Step 6: Final answer
x = 158,834,746.80
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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.