Finding the Fourth Proportional to 149,774,680.80, 224,662,021.20 and 122,564,901.60
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Solution
The fourth proportional to 149,774,680.80, 224,662,021.20 and 122,564,901.60 is: 183,847,352.40
Step by Step Solution
- Step 1: Write the proportion equation
149,774,680.80 : 224,662,021.20 = 122,564,901.60 : x - Step 2: Convert to fraction form
149,774,680.80/224,662,021.20 = 122,564,901.60/x - Step 3: Cross multiply
149,774,680.80x = 224,662,021.20 × 122,564,901.60 - Step 4: Simplify right side
149,774,680.80x = 27,535,678,521,635,112 - Step 5: Solve for x
x = 27,535,678,521,635,112/149,774,680.80 - Step 6: Final answer
x = 183,847,352.40
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1.5x scale
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.