Finding the Fourth Proportional to 158,218,225.28, 237,395,539.36 and 85,420,552.08
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Solution
The fourth proportional to 158,218,225.28, 237,395,539.36 and 85,420,552.08 is: 128,167,649.44
Step by Step Solution
- Step 1: Write the proportion equation
158,218,225.28 : 237,395,539.36 = 85,420,552.08 : x - Step 2: Convert to fraction form
158,218,225.28/237,395,539.36 = 85,420,552.08/x - Step 3: Cross multiply
158,218,225.28x = 237,395,539.36 × 85,420,552.08 - Step 4: Simplify right side
158,218,225.28x = 20,278,458,033,460,572 - Step 5: Solve for x
x = 20,278,458,033,460,572/158,218,225.28 - Step 6: Final answer
x = 128,167,649.44
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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.